释义 |
steel line pipe 基本例句 钢质管道 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。 |