... gas-pressure relay 气压继电器，瓦斯压力继电器 gas-proof 防气的, 防煤气的，防瓦斯的 gas-proof machine 防瓦斯型电机，气密型电机 ...
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gas proof 气密的 ; 防毒气 ; 不透气的 ; 防毒气的
gas-proof motor 气密式电动机 ; 气密式电念头
gas-proof flash light 气密闪光灯
gas-proof machine 防瓦斯型电机 ; 气密型机器
gas proof test 气密性试验
gas-proof film 气密膜
gas-proof sealing 气密密封
gas proof sealing 气密密封
Set on Brook Road between Gladstone Park and the North Circular Road, the entrance leads down to a long and dank gas-proof concrete corridor.
它位于布鲁克路，在格莱斯顿公园和北环路之间，入口向下通往一条又长又湿的防毒气混凝土走廊。
Though the researchers have no direct proof that the new planet is rocky, its mass means it is not a giant gas planet like Jupiter, they said.
尽管目前研究人员还没有直接证据证明这是一颗岩状行星，但是他们宣称，这颗行星的质量表明，它并不是一颗类似木星的巨大气体行星。
However, this is hardly proof that they will find anything worth extracting. At this stage no one actually knows how much gas is trapped in Polish shale.
但是这并不能证明他们就会在波兰开采到有用的东西，眼下没有人知道在波兰地下的页岩层中到底藏有多少页岩气。
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