fall dressing 中文意思是什麼
fall dressing
解釋
秋季施肥-
If the coal mined from a newly - built coal mine is of high - sulfur or high - ash, supporting facilities for the dressing of coal by washing shall be installed to make the sulfur and ash in coal fall within the prescribed limits
新建的所採煤炭屬于高硫份、高灰份的煤礦,必須建設配套的煤炭洗選設施,使煤炭中的含硫份、含灰份達到規定的標準。
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