gray copper seal 灰海豹
Copper seal gaskets 超高真空法兰用铜密封垫
Including Copper Seal 包括铜质印章
copper-glass seal 铜与玻璃封焊
copper glass seal 铜与玻璃封焊
The application of copper water seal of CFRD and present status of research were reviewed, and the essentiality of analyzing copper seal by building corner model was proposed.
本文回顾了面板坝铜止水的应用及研究现状，提出了对“F”型止水铜片拐角模型进行数值分析的必要性；
The first paint is butyraldehyde resinetch primer which main function is to seal the surface of copper and increasethe adhesion with the next.
第一道漆为丁醛树脂基蚀刻底漆。 主要功能就是封闭铜表面，增加与下道涂料的附着力。
Copper cushion performance characteristics: metal flat mat by the overall metal machining, the made for pressure vessels, tower, trough, the cover of the place such as the seal.
紫铜垫性能特点：金属平垫由整体金属经机加工制成，用于压力容器、塔、槽、阀盖等部位的密封。
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