main chute shaft 主溜井
main chute falling 主溜井垮塌
Collapse of main chute 主溜矿井塌落
upper chute main air valve 上滑道主风阀
It has been successfully used in the X-38 drogue chute and its supersonic pilot chute, the SDW main chute, its drogue chute and the PLER parachute.
在x—38计划的减速伞和超音速引导伞、在SDW减速稳定伞和主伞以及PLER伞上应用，均获得成功。
Due to collapse accident of main chute took place in Xincheng Gold mine, the ore lifting system of main shaft was paralysed which caused grave effect on mine operation.
新城金矿主溜矿井曾发生塌落事故，造成了主竖井矿石提升系统的瘫痪，严重影响了矿山生产任务的完成。
Belgian prosecutors showed how Clottemans had cut the cords to the main and reserve chute of her rival.
比利时检控官为大家讲述了Clottemans怎样剪断了她的情敌主要和备用降落伞的绳索。
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