256查询网 英汉词典

pre-support

英[p'riːsəp'ɔːt] 美[p'riːsəp'ɔːt]
  • 超前支护

双语例句

    1. The advance support of intake and return aircourse needs a lot of plate girders in the comprehensive mechanized coal mining face.
      综采工作面的进回风巷超前支护要用很多板梁。

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