adj.不漏气的
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. 介绍了气密性混凝土及其复合衬砌和JCL界面粘结剂在天生桥瓦斯隧道施工中的施工工艺及其气密性测试方法。
1.airtight; airproof; gasproof; hermetic; 2.stuffy; badly ventilated 不透气
gasproof mask 防毒面具
