dragline
n. 牵引绳索;[机] 拉铲挖土机;绳斗电铲
例句
Objective To obtain the whole length gene of dragline.
目的为获得蜘蛛拖丝蛋白全基因。
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。
A new study reveals that dragline silk, the stuff spiders use to rappel, has a molecular structure that makes it resilient to twisting.
悬在丝上的蜘蛛身体为什么不容易晃动?法国研究人员发现,原来蜘蛛丝中含有一种特殊的分子结构,能使蛛丝富有弹性,很容易克服摆动。