adj.不漏氣的

In this paper,the construction processcs and the test method of the gasproof con-crete, the complex lining and JCL interface adhesive uscd in the Tianshengqiao railway gas tunnelare intruoduced and analyzed. 介紹了氣密性混凝土及其復(fù)合襯砌和JCL界面粘結(jié)劑在天生橋瓦斯隧道施工中的施工工藝及其氣密性測(cè)試方法。

1.airtight; airproof; gasproof; hermetic; 2.stuffy; badly ventilated 不透氣

gasproof mask 防毒面具