【第 2 段建议】: 1. "Vibrating Feeder" should be consistently formatted as "Vibrating Feeder". 2. "Shandong 1,000,000TPY Coal Grinding Line" could use a space for clarity, possibly as "Shandong 1,000,000 TPY Coal Grinding Line". 3. "Performance Standards" appears without a period, while other headers and sections include one; consistency in header punctuation should be maintained. (Note: The section "Except" seems incomplete and could indicate a fragment or missing text that needs addressing. Thus, lacking closure or clarity.) --- 【第 3 段建议】: 1. "which used our 4 MTW215 European Mill" - "which uses our 4 MTW215 European Mill" (tense consistency) 2. "tradition coal firms" - should be "traditional coal firms" 3. "environment pollution" - should be "environmental pollution" 4. "in cold winter" - should be "in the cold winter" 5. "CPC’s 18th Central Committee" - should be "CPC's 18th Central Committee" (no apostrophe in "CPC's," as it is already possessive) 6. "efficient coal powder boilers can be used for heat supply and steam supply" - should be "efficient coal powder boilers can be used for heat and steam supply" (eliminate redundancy) --- 【第 4 段建议】: 1. "the use of coal powder makes local area free from pollution" should be "the use of coal powder makes the local area free from pollution". 2. "the unit cost of fuel of coal powder boilers occupies one third of that of gas boilers only" should be "the unit cost of fuel of coal powder boilers occupies one third of that of gas boilers". 3. "4 MTW European Mills" should be "4 MTW215 European Mills" for consistency. 4. "environment protection" should be "environmental protection". 5. "compositions of Coal Preparation System" should be "Components of Coal Preparation System". --- 【第 5 段建议】: 1. "rated-typed air-dryer" 应为 "rated-type air dryer"。 2. "the alarm which sends directives to the alarm bell and the bell works" 中的 "the alarm" 重复，建议改为 "the alarm which sends directives to the alarm bell, causing it to work"。 3. "alarm starts to send signal" 应为 "alarm starts to send signals"。 4. "to the audible and visual alarm" 应为 "to the audible and visual alarms"。 5. "the alarm will send signal to the CO2 fire extinguishing system which is started to extinguish the fire" 中的 "send signal" 应为 "send signals"。 6. "Pneumatic conveyor is mainly responsible" 应为 "The pneumatic conveyor is mainly responsible"。 7. "the operation situations" 更常用的表达应为 "the operating status" 或 "the operating conditions"。 8. "centralized control system can achieve remote control" 中 "centralized control system" 应为 "the centralized control system"。 9. "raw coal is sent by quantified feeder" 应为 "Raw coal is sent by a quantified feeder"。 10. "the scrapper conveyor" 应为 "the scraper conveyor"。 11. "the coal enters the closed storage bin through closed scrapper conveyor" 应为 "the coal enters the closed storage bin through a closed scraper conveyor"。 12. "by weighing coal feeder" 应为 "by a weighing coal feeder"。 13. "the classification and following this step" 中的 "the classification" 应为 "classification"（去掉"the"）。 14. "the powder collector along the tube" 应为 "the powder collector along the tubes"。 15. "the finished coal powder collected enters" 应为 "the collected finished coal powder enters"。 16. "the elevator under the action of spiral conveyor" 应为 "the elevator under the action of a spiral conveyor"。 17. "And if there is any need" 建议改为 "If there is any need" 来避免句首的连词。 18. "the complete set of this system is equipp" 应为 "the complete set of this system is equipped"。 --- 【第 6 段建议】: 1. “to avoid explosion and to extinguish the fire” should be “to avoid explosions and to extinguish fires”. 2. “the two-step method refers to the solution which separates the drying process and powder preparation process” should have “the drying process and the powder preparation process”. 3. “the insufficiency of building materials and labors” should be “the insufficiency of building materials and labor”. 4. “customers who need put production into operation” should be “customers who need to put production into operation”. 5. “the operation more convenient” should be “the operation more convenient”. 6. “low total investments” should be “low total investment”. 7. “monitor of oil temperature” should be “monitoring of oil temperature”. 8. “small occupation of land” should be “small land occupation”. 9. “environment protection” should be “environmental protection”. 10. "in avoidance of explosion and fire accidents" could be better phrased as “to avoid explosions and fire accidents”. --- 【第 7 段建议】: 1. "impulse dust collector" should be "impulse dust collectors" (should be plural). 2. "the clean coal powder attains 800 million yuan and 100 million yuan of taxation of profit is got" should be revised for clarity; also, "of taxation of profit is got" is awkward and should be "and the taxation on profit is 100 million yuan" for better flow and clarity. 3. "helping the environment protection" should be "helping the environment" or "helping protect the environment" (missing correct expression). 4. "the yielding is beyond our expectations" should be "the yield is beyond our expectations" (correct form). 5. "200meshes" should be "200 meshes" (space needed). 6. "the efficient coal powder boi" seems to be an incomplete phrase, possibly "the efficient coal powder boiler" (missing word). Note: There are some suggestions for clarity and correctness, as well as minor phrasing adjustments needed.