Traditional method for overhaul of the top of miter gate is through manual operation by hydraulic hoisting jack, which has the shortcomings of low efficiency and great risk.

　
英 美
  • 摘要船閘人字門(mén)頂門(mén)檢修的傳統方法是采用液壓千斤頂手動(dòng)作業(yè)，工作效率低，時(shí)間長(cháng)，技術(shù)風(fēng)險大。
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