1.
air-gas proportioner
空气煤气配比调节器
2.
"'Under the Gaslight.'
“《煤气灯下》。”
3.
air producer gas
空气(发生器)煤气
4.
gas is leaking from the pipe.
煤气管道走气了。The
5.
Gas can be produced from coal.
煤气可用煤来制造。
6.
replace coal by [with] gas
用煤气代替煤作燃料
7.
It's more economical to use gas than coal.
烧煤气比烧煤上算。
8.
The water / gas / electricity is off.
水[煤气/电]停了.
9.
a gasworks, ironworks
煤气厂、 钢铁厂.
10.
town mains
城市(煤气)总管道
11.
CBM development potential of high rank coal with reference to Qinshui coal field,Shanxi
高煤级煤的煤层气开发潜力——以沁水煤田为例
12.
The house is fitted up with gas and steam heater .
房子里装有煤气和暖气。
13.
telephone, gas, heating bills
电话、 煤气、 暖气帐单
14.
The gas is escaping somewhere.
煤气有个地方漏气了。
15.
long-distance gas
远程供应的煤气[天然气]
16.
to have electricity, gas, running water and steam heating system
有水、电、暖气、煤气设备
17.
oxygen converter gas recovery process
氧气转炉煤气回收法
18.
after-damp n.[U]poisonous mixture of gases after the explosion of firedamp in a coal-mine
（煤矿沼气）爆炸后的毒气.