詞語：longwall
longwall的解釋
longwall['lɔŋwɔ:l, 'lɔ:ŋ-]adj. [礦]長壁開採法的
longwall的意思
longwall 長壁工祖;長壁開採法;longwall method 長壁法;outward longwall 前進式長壁開採;advancing longwall 前進式長壁采煤法;longwall retreating 後退式長壁開採;
longwall的參考例句
1.Using hydraulic supports in heavy grade longwall face with sublevel caving, anti-topple and antiskid are the key factors. 在大傾角傾斜煤層進行綜放開採，支架的防倒、防滑成為決定放頂煤開採成功與否的關鍵。
2.The longwall coal mining method along a direction, coal-mining technology, longwall coal mining method along the dip, and caving coal technology are discussed. 對單一走向長壁采煤法、采煤工藝、傾斜長壁采煤法以及放頂煤采煤技術進行了論述；
3.There are some basic characteristics such as the high mining height, the large strata disturbed on the coal seam and the broken top coal in the longwall top coal caving. 本文從放頂煤開採的一次采高大、上覆岩層的活動範圍大、破碎頂煤的存在等基本特徵出發，論述了關於放頂煤開採中瓦斯、頂板和衝擊地壓等安全問題。
longwall的詞匯及翻譯
n. longwall sheaver face - 長牆推面
n. longwall coal mining - 長牆煤礦
n. longwall coal face - 長牆煤面
n. longwall mine - 長牆礦
n. longwall equipment - 長牆裝置
n. longwall face recovery operation - 長牆面回轉操作
n. longwall face support - 長牆面支承
n. longwall census - 長期檢測