The straight threads of the nut engage with the mating threads of the valve outlet and are tightened to compress the gasket between the two sealing surfaces.
螺母的直螺纹同阀门排气口的配合螺纹咬合在一起并上紧，来压缩在两个密封表面之间的衬垫。
Install the sealing washer, flat washer and nut as described in the Floor.
如同在底板固定一节里所记述的那样，安装密封垫圈，平面垫圈及螺。
The leakage plugging stopple with a hollow expansion bolt used for the support structure of the deep foundation pit comprises an expanding pipe, a hollow bolt, a nut, a sealing rubber mat and a cork;
该深基坑支护结构漏水空心膨胀螺栓封堵塞包括胀管、空心螺栓、螺母、密封胶垫和软木塞，空心螺栓套在胀管内且其长 度大于胀管长度；
Cable inner end must use steel nut cap. Lead sealing is required for the sealing between the cable inner head and metal sleeve, which has a good sealing property.
电缆内端头应使用钢制封帽，与金属套的密封必须采用铅封，密封性能良好。
When disassembled, the high-pressure kettle nut is disassembled, and the high-pressure kettle cap and the sealing ring are removed to take out the liner.
拆卸时只要将高压釜螺母卸下，取下高压釜帽，去掉密封环，即可取出内衬。
When disassembled, the high-pressure kettle nut is disassembled, and the high-pressure kettle cap and the sealing ring are removed to take out the liner.
拆卸时只要将高压釜螺母卸下，取下高压釜帽，去掉密封环，即可取出内衬。
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