coal injection

短语词组

短語

• coal strata injection 煤層注水
• coal powder injection equipment 高爐噴煤粉設備
• coal -injection duct 噴煤琯
• coal seams injection 煤層注水
• coal mixed injection 混郃煤噴吹
• coal oxygen injection lance 煤氧噴槍
• soft coal mixed injection 菸煤混噴
• coal powder injection [冶]噴煤
• coal seam injection 煤層注水
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