弹簧盒 [铁路] spring case
- 该设备由弹簧拉力计和报警电路控制盒组成。
It consisted of two parts: springs and alarm circuit controller box. - 阐述QD2853起动机电刷盒弹簧座原成型模的缺陷并进行改进。
Elaborates QD2853 generator electronics brush box spring place originally forming die flaw and makes improvement. - 气压式高度表测量气压是参照海平面的,透过一连串的真空膜盒、齿轮和弹簧来移动刻度盘上的指针。
The mechanical pressure altimeter measures atmospheric pressure relative to sea level through a series of bellows, gears, and springs, which move pointers on a dial.
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