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manhole with rotatable cover中文什么意思

發(fā)音:
  • 回轉(zhuǎn)蓋入孔
  • manhole:    人孔,(陰溝的)檢修孔;【鐵路】避孔。
  • rotatable:    adj. 可旋轉(zhuǎn)[轉(zhuǎn)動(dòng),輪轉(zhuǎn)]的。
  • cover:    vt. 1.覆蓋,遮蔽,包裹;戴帽子;包庇,隱蔽,掩蓋; ...
  • manhole cover:    人孔蓋; 沙井蓋;檢查井蓋; 探井蓋
  • cast iron manhole cover:    鑄鐵人孔蓋板
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