Although this mechanism is called the warp protector motion, it also protects the fabric, the reed and the shuttle.

尽管该机构被称之为护经机构，它对织物、钢筘、梭子也有保护作用。

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Overload protection: equipped self re-setting overload protector, the hoist motion is stopped if overloading occurs, but lowering is permitted, making the crane safe.

过载保护装置：当过载发生时，运行下降，不允许上升，便于重物安全落地。

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