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单词
winding signalling, hoisting signalling
释义
winding signalling, hoisting signalling
提升信号装置; 用作提升机房、井口、井下各水平之间信号联络并具有必要闭锁的装置。
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universal dividers
universal dividing
universal dividing head
universal document reader
universal domain
universal donor
universal donors
universal dosimeter
universal double-projector
universal double seamer
universal drafting machine
universal draft machine
universal drawbar
universal dredger
universal dresser
universal drier
universal drift instability without longitudinal current
universal drill boom
universal drilling machine
universal drill jig
universal drill wagon
universal drive shaft
universal drive shaft guard
universal driving device
universal driving shaft
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更新时间:2026/6/17 20:01:10