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dragline 英音 [ ˈdræɡlaɪn ] 美音 [ ˈdræˌɡlaɪn ] 释义 n. 牵引绳索;[机] 拉铲挖土机;绳斗电铲 例句 1·Objective To obtain the whole length gene of dragline . 目的为获得蜘蛛拖丝蛋白全基因。 2·The effect of casting blast could influence working performance of dragline and cost of production in open-pit. 在露天矿抛掷爆破中,爆破效果的优劣影响到拉斗铲作业效率及露天矿生产成本。 3·The selection of dragline is a key problem to be handled when applying dragline for open cast in surface mining. 露天矿应用拉斗铲倒堆工艺的关键问题首先要做好拉斗铲的选型。
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