gas head pressure 气压落差
casing head gas 套管头气体 ; 油井气
casing-head gas 油井气 ; 套管头瓦斯
well head gas 井口气
Gas mask head strap 防毒面罩头带
gas tight bulk head 气密隔墙
A collector of antique cars asked Frank to look out for a 1906 gas head lamp.
一位老式汽车收藏家要弗兰克留神1906年产的煤气前灯。
The inner envelope holds helium in the head section of the blimp and an ethane fuel gas in the three tail sections.
飞船头部的内置气囊中充满了氦气,而置于尾部的第三节内置气囊则充满了乙烷可燃气体。
A spokesman for the Russian gas giant, Gazprom, held up a letter at a Moscow new conference on new Year's Eve that he says was signed by the head of Ukraine's gas company.
俄罗斯天然气工业股份公司的发言人新年前夕在莫斯科举行的新闻发布会上展示了一封信,他说这封信是乌克兰天然气公司的负责人签署的。
People develop severe head pain as the amount of gas continues to enter their blood.
VOA: special.2010.02.02
Small amounts of the gas will cause a person's head to hurt.
VOA: special.2010.02.02
Deputy Oil Minister and head of the National Iranian Gas Company Javad Owji describes the deal.
VOA: standard.2010.07.23
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