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three-point support中文什么意思

發(fā)音:   用"three-point support"造句
  • 三點支撐
  • 三點支承
  • 三足支架
  • three:    n. 1.三個人[東西]。 2.三歲,三時。 3.【板球 ...
  • point:    n. 1.尖頭,尖端;尖頭器具;〔美國〕筆尖;接種針,雕 ...
  • support:    vt. 1.支承,支撐;支持;支援,維護。 2.援助;擁 ...
  • point of support:    承重點; 支撐點; 支承點; 支點
  • support point:    支持點; 支持價位
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例句與用法

  1. Three - point support gear boxes for cranes
    起重機用三支點減速器
  2. The main shuchural features of the new electric single - girder overhead travelling crane presented in this paper is as follows : using a special gisder section to provide simple production technology and light weight ; dopting hinged connection at one end between main glrders and end carrages instead of the rigid connection at both ends , eliminating the three - point supporting problem with the crane and thus improving the travelling perfomance ; extending crane wheels life contributed to the combination of no - flange crane wheels and horizontal rollers
    提供種生產(chǎn)工藝簡單、自重輕的主梁截面,并將單梁起重機主、端梁的剛性連接改為端用鉸接連接,解決了在制造和軌道安裝時因誤差而造成的大車運行三條腿現(xiàn)象,提高了運行性能;用可調(diào)大車運行水平輪中心距的設(shè)計,代替帶輪緣的大車輪,提高大車輪的使用壽命。

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