基本解釋硬煤,劣質(zhì)煤英漢例句雙語例句The percussive speed of the material is adjustable to obtain different impact so as to separate bastard coal with different hardness.物料的撞擊速度可以調(diào)整,以獲得不同的沖擊力,對不同硬度的煤矸進行分 離。ip.combastard coal更多例句詞組短語短語bastard d coal 硬煤bastard coal更多詞組專業(yè)釋義能源科學(xué)技術(shù)硬煤