It could not pass through material impervious to water such as mica . 它不能通过云母这样的不透水的物质。
All surfaces inside the building should be of impervious material to permit thorough washing . 建筑里所有的表面都应当用不透水的材料这样可以彻底清洗。
But tears were not the things to find their way to mr. bumble's soul; his heart was waterproof . 然而眼泪这种东西决不能渗入班布尔先生的灵魂,他的心是不透水的。
When rain falls, the loess particles on the surface layer swell and form a crust that is almost impermeable to water . 降雨时,表层的黄土粒就发生膨胀并形成一层几乎是不透水的表皮。
Standard specification for impervious graphite pipe and threading 不透水的石墨管和插片标准规范
A waterproof or water - resistant coat 雨衣不透水的或抗水的外衣
Micro seismic monitoring and measuring technology for pumping presuure , coal and gas outburst and water inrush 冲击地压及煤与瓦斯突出和透水的微震监测技术
The curb concrete meet the predefined requirements of low strength , low elastic modulus and semi - pervious Smpa 。边墙混凝土达到低强度、低弹性模量、半透水的要求。
At the same time watertight rock surround the carbonate rock , which is helpful to water percolate deeply and trigger earthquake 同时,峡谷区碳酸盐类岩石周围又有弱透水和微透水的岩层包围着,有利于库水向深部渗透,诱发地震。
Dtu 20 - 12 . roof and watertightness masonry . masonry structural work for roofs intended to receive a waterproof blanket . part 2 : special clauses Dtu 20 - 12 .屋顶和不透水的砖石工程.屋顶用防水覆盖层的砖石工程结构.第2部分:特殊条款