拆去支撑螺栓盖。
拆卸系紧螺栓盖。
拆卸一个灯头钉头螺丝，三个套筒头螺栓和齿轮执行机构盖。
Remove one socket pin head screw, three socket head bolts and gear operator cover.
端盖用螺栓将它们固定在管板上并加入垫片密封。
Cover is fixing on the tube plate with some sealed gasket by bolt.
拆卸阀盖螺栓和阀盖。
我们的螺栓阀 盖结构使得拆卸简单化，维护容易。
Our bolted bonnet design is simple to disassemble, easy to maintain.
我们的螺栓阀 盖结构使得拆卸简单化，维护容易。
Our bolted bonnet design is simple to disassemble, easy to maintain.
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