The tubeconnector and "O" shape seal ring of the valve must be kept clean, and the cross section line of the tubeconnector cannot be painted.
联接管与阀口“O”形密封圈套入处应保持清洁， （见图20） 联接管有剖面线的部位处不能涂油漆。
2
We can now produce a variety of different types of ul and BS, GS standard non-insulated terminals, the United States standards-ray tubeconnector, metal wiring together.
我们现在可以生产各种不同类型的UL和BS, GS标准非绝缘端子，美国标准的线管连接头，金属接线合。
3
The position of the sleeves is located in the middle between the arrowheads on the connectortube and the two circumferential grooves on the socket piece of the catalytic converter.