Gas, typically found and exploited in the same sort of places as oil, is easily moved around through plumbing but is not, usually, seen as a transportation fuel.
天然气通常和石油在同类型的地方被发现和开采,通过管道很容易输送,但天然气一般并不被视为运输燃料。
This will provide maximum flow but will not be mistaken for a closed valve because it is easily moved.
这将提供最大的流量,但不会被误认为是关闭的阀门,因为可以很容易地移动它。
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