safety gear block 安全钳座
triple-gear block 三联齿轮
double-gear block 双联齿轮
four-gear block 四联齿轮
three-gear block 三联齿轮
reverse gear block 倒车齿轮组
double-gear block duplex gear 双联齿轮
slider block gear 滑动器块齿轮
brake block adjusting gear 制动器闸瓦调整装置
There are 729 elements, including a gear motor, yellow gear block, capacitor, and long and short leads.
有729的元素,包括齿轮电机,齿轮黄色块,电容,长期和短期线索。
When used in the hand will lift, although the umbrella in the first invented in the main purpose, are used to blocking sunlight, but most often now regarded as rain gear block rain.
使用时是以手将之举起,虽然伞在最初发明时的主要目的,是用来阻挡阳光,但是现在最常被当作雨天挡雨的雨具。
He ran the last block to the White House with two cases of gear.
他带着两箱工具跑过最后一个街区到了白宫。
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