常見例句

• On the basis of the characters of HG - II myriametre rail welder and thetechnological request of rail gas pressure welding in the field, a ra.
  根據(jù)新技術(shù)標(biāo)準(zhǔn)和施工工藝特點(diǎn),在客運(yùn)專線鋪軌基地建造了全自動(dòng)的長鋼軌焊接流水生產(chǎn)線,總結(jié)出了長鋼軌閃光接觸焊的施工關(guān)鍵技術(shù)。
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