常見(jiàn)例句

雙語(yǔ)例句

• Variable-bore rams are designed to seal a wider range of pipe diameters, albeit at a sacrifice of other design criteria, notably element life and hang-off weight.
  設(shè)計(jì)了變孔眼直徑的閘板去密封更大范圍內(nèi)的管柱直徑，雖然犧牲了其它設(shè)計(jì)的標(biāo)準(zhǔn)、顯著的部件壽命和懸重。
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