The official insignia for the rank of Lord is a metal seal, or chop.
此侯王的官徽是一枚金属章或印。
Generally use the soft rubber type sealing ring seal, hard seal ring-type metal seal used.
软密封型一般采用橡胶环密封，硬密封型通常采用金属环密封。
The metal diaphragms act as the seal at the top of the valve.
金属横膈膜在阀门的顶部作为密封。
The company produced the first nuclear power plant in 1974 with metal diaphragm seal.
该公司1974年生产第一台核电站用金属密封隔膜阀。
First, the water pump mechanical seal ring on the surface of metal corrosion.
第一，水泵的机械密封上金属环表面均匀腐蚀。
Metal incline seal is used as static seal.
静密封也采用金属斜面密封。
In some applications a metal face-seal may be needed to keep foreign matter out.
在某些应用程序中的金属面密封，可能需要保持异物了。
A seal for a check valve for a metal molding machine.
一种用于一金属模制机的一止回阀的封垫。
A seal for a check valve for a metal molding machine.
一种用于一金属模制机的一止回阀的封垫。
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