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
Single-head gas drive liquid pump 单头气液增压泵
head gas chromatography 顶空气相色谱法
gas head 气体压头
Six-head Gas Environment-protect Roaster 六头燃气环保烧烤炉
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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