Drive before the fuel tank, s pipe valve for the structure, tie up a stable and reliable job.
摆油缸驱动,S管阀换向结构,工作缚稳定可靠。
The heater's job is to prevent hydrazine fuel in a feed pipe to a unit from freezing.
加热器的工作是预防装置进料管中的联氨燃料冻结。
His other job is to handle pipe in the derrick while pulling out or running into the hole.
他的另一项工作是在起下钻时,操作井架中的钻杆。
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