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.
安全壳喷淋系统内有两台喷淋泵，喷嘴，喷淋添加箱，许多安全壳隔离阀和相关的管道仪表等。
The containment spray system consists of two pumps, spray ring headers, a spray additive tank, a number of motor operated isolation valves and all necessary piping, instruments etc.
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