Affix using one of the crank arm fixing bolts.
词缀使用其中的一个曲柄臂固定螺栓。
Annual check and tighten all the screws, bolts and fixing device.
每年检查并拧紧所有螺钉、螺栓和各种固定装置。
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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