A 确保钢索张力正常。
B 确保锁定线束绷紧。
C 确保保险丝有张力。
Make sure that there is tension in the lockwire.
make sure that there is no blockage in the pipe.
Make sure that the clearance is in the limits.
Make sure that there is no dust on the surface.
Make sure that the wire is in the position to cause the parts to lock.
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