Gaskets and O rings are made of elastomers.密封垫和O型环是由人造橡胶制成的.You should write your home address on the envelope gaskets.你得把你们家的地址写在信封上.D . When specified , gaskets of other materials are available as an option.作为备选件, 如果用户...
You should write your home address on the envelope gaskets.你得把你们家的地址写在信封上.Gaskets and O rings are made of elastomers.密封垫和O型环是由人造橡胶制成的.Seat Face: Negates need for flange gaskets.阀座表面: 不需要使用阀兰垫圈.The 18 - 8 inlay is not req...