hinged manhole cover 中文意思是什麼

hinged manhole cover 解釋
鉸鏈式人孔蓋
  • hinged : adj. 有鉸鏈的,用鉸鏈的。
  • manhole : 人孔,(陰溝的)檢修孔;【鐵路】避孔。
  • cover : vt 1 覆蓋,遮蔽,包裹;戴帽子;包庇,隱蔽,掩蓋;滅跡,(用紙)表(墻)。2 孵(小雞);(種馬)交...
  1. Specification for manhole cover assembly, bolted, hinged, semi - flush, oiltight and watertight

    半埋入式防油防水螺栓連接的人孔蓋組件規范
  2. Standard specification for manhole cover assembly, bolted, semi - flush, oiltight and watertight, hinged

    防油防水半嵌入螺栓鉸接檢查孔蓋組件
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