hatch


  • 翻译:人孔,升降孔

同义词

1)hatch,人孔;升降孔2)hatch,升降孔3)hatch grafting,人孔格栅;升降口花格4)lift span,升降式桥孔5)raised manhole cover,升高人孔盖6)raised watertight manhole,升高水密人孔

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