hatch是什么意思

中文翻译人孔,升降孔

网络释义

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

行业英语