常見例句雙語(yǔ)例句Manual single girder bridge crane is a crane.手動(dòng)單梁起重機(jī)是橋式起重機(jī)的一種。A new technique is put forward that high-low brace gantry crane wide double guiding girder method to construct bridge.本文提出了高低支腿龍門吊寬幅雙導(dǎo)梁法這種新的橋梁工程施工方法。Steel through truss bridge has some excellence, such as low girder, light deadweight, high carrying capacity, comfortable travelling crane, short construct periods.下承式鋼桁架橋具有梁高低、自重輕、承載能力大、行車平穩(wěn)舒適、施工周期短等優(yōu)點(diǎn)。 返回 bridge girder crane