letdown line

基本解釋

• [土木建築工程]下泄琯線

英漢例句

權(quán)威例句

• What could have been the highlight of the line-up of politicians, Congressman Paul Ryan, turned out to be a letdown.
  FORBES: At National Review Institute Gathering Conservatives Yell Stop. But Are Voters Listening?

• letdown line更多例句

詞組短語(yǔ)

短語(yǔ)

• letdown line isolation valve 下泄琯線隔離閥

• letdown line更多詞組

專業(yè)釋義

土木建築工程

• 下泄琯線