1.
A trap may contain oil, gas, or both.
一个圈闭可能含油、含气、或既含油，又含气。
2.
column content of ozone
大气气柱中的臭氧含量
3.
gaseous fuel water content
气体燃烧的水分含量
4.
methods for determination of ammonia in exhaust gas
废气中氨含量分析法
5.
hydrogen-in-chlorine analyzer
氯气中含氢量分析仪
6.
methods for determination of mercaptan in exhaust gas
废气中硫醇含量分析法
7.
certified gas free
经鉴定不含易燃气体
8.
methods for determination of phenols in exhaust gas
废气中苯酚含量分析法
9.
testing method for air content of hydraulic cement mortar
水泥空气含量测定法
10.
Flames consist of incandescent gases.
火焰含有炽热的气体。
11.
method for determination of metals in flue gas
废气中金属含量分析法
12.
gas-oil fluid viscosity
含溶解气石油的粘度
13.
It is free from air, moisture or impurities.
它不含空气，水份和杂物。
14.
Nor blush to turn behind my tearful eyes;
含泪回首，心平气缓。
15.
methods for determination of pyridine in exhaust gas
废气中吡啶含量的测定
16.
It spoke in tones of warning.
语气含有告诫的意味。
17.
Fresh snow is full of entrapped air.
刚下的雪饱含着空气。
18.
The desert air contains hardly any moisture.
沙漠的空气几乎不含一点湿气。