He said the workers had been purging gas lines all weekend.
他说清洗管道的工人已经工作了整个周末。
Gas lines, whether along the street or within a home, are rigid.
输气管道，无论是在街道还是在家中，都是刚性的。
We cannot guarantee however, that gas lines and electricity lines will all be operational.
然而我们不能保证，煤气线路和供电电缆将会全部运转。
Keep gas tank full to avoid ice in the tank and fuel lines.
保证油箱加满以避免油箱内或汽油管路结冰。
An earthquake may break gas, electrical, and water lines.
地震可造成煤气、电力或水管等破例泄露。
Many people waited in long lines to buy gas and groceries.
许多人排长队加油、购买日用品。
Broken electrical, water, gas, and sewage lines that can result in injury or illness; and.
破损的电，水，气，污水管道能够导致受伤或患病；并且。
Railroads, bus lines, gas and electric companies are public utilities.
铁路、公共汽车、煤气和电力公司都是公用事业。
Railroads, bus lines, gas and electric companies are public utilities.
铁路、公共汽车、煤气和电力公司都是公用事业。
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