如果安全密封盖已经被破坏，不要使用。
采用防尘盖和密封圈双重保护，隔绝污染。
Dust cover and seal with double protection, isolated pollution.
前后端盖装有永久密封和自润滑的滚珠轴承。
Permanently sealed and lubricated ball bearings front and rear.
避免底盖变形影响手表密封性。
Prevent the deformation of the bottom cover to affect the sealing performance of the watch.
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.
阀体与连接法兰的密封为体盖密封。
箱盖和箱体之间采用水密封结构，无气体溢出。
The space between tank lid and tank body is water sealed with no air leaking.
拧掉盖并取出箔密封。
该软密封材料在盖和基底之间形成噪声减弱密封。
The soft sealant forms a noise attenuating seal between the cover and the base.
且密封圈能将筒体和端盖可靠的密封。
Moreover, the obturating ring can reliably seal the cylinder and the end cover.
打开盖扭，撕掉瓶口密封。
打开盖扭，撕掉瓶口密封。
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