switch off the gas 关掉煤气
The gas switch with coaxal field distortion electrodes used in type DPF-300 current pulse discharge system is introduced.
介绍了为D PF - 300型脉冲电流源同步放电系统研制的同轴型场畸变火花开关。
The sincere desire to learn surely gets sincere desire of teaching: 'Open the gas switch and add air with inflator , it is the power of mixed gas.
诚心的学当然得到诚心的教：“开煤气考克，再用打气筒补进空气，这就是混合气体的威力。”
The idea is that Americans could switch en masse to natural gas vehicles, and the country could stop importing so much oil.
该想法就是，美国可使公众换用天然气汽车，以及国家不用再进口如此多的石油。
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