steel line pipe
英
美
- 钢质管道
双语例句
- The steel pipe crosses windswept plainsendless miles of delicate tundra that tops the frozen ground.
钢质管道穿过强风的草原和无边无尽的覆盖于冻土之上的苔原。 - The protective coating of buried steel pipelines plays a main role in anticorrosion.
摘要外覆盖层在埋地钢质管道的防护中起着主要作用。
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