The maximum load for the brake parachutes has been fixed: Nine tonnes of drag sounds like a lot, but it's really not much to stop a five-tonne car from 1, 000mph.
为产生最大负载的制动伞所已经安装完毕:能产生9吨的阻力似乎听起来很多,但这仅仅够将重达5吨的汽车从1000英里/小时停下来。
And the ratcheted brake prevented the load from slipping backward.
并且,齿轮制动器还可防止重物落下。
The brake beam(connecting plate) is often broken, and the bolts for fixing the connecting plate are loosed due to the crane′s dynamic load when D series of crane beams are working in a steel plant.
某钢厂列吊车梁在工作中,由于吊车工作的动态作用,导致制动梁(连接板)经常发生断裂,固定连接板的螺栓松动。
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