防裂阀可防止油管破裂导致工作台失控下降的事故。
Crack resistant valve can prevent the oil pipe rupture resulting in table control falling accident.
比例阀阀芯具有比较宽的边缘带有槽口的台肩。
A proportional valve spool therefore has wider lands with notches cut into the edges.
载人用的升降台都设有栏杆和防裂阀。
Manned by the lifting table are equipped with railings and crack resistant valve.
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