单词	闭式人孔盖
释义	同闭式人孔盖--闭式窨井盖
随便看	metal inert gas shielded arc welding metal inert gas welding metal inert-gas welding metal inert-gas （mig） arc welding metaling metal-in-gap head metalingual metalingual function metalinguistic metalinguistic awareness metalinguistic bracket metalinguistic connective metalinguistic formula metalinguistics metalinguistic variable metal injection moulding metal insert metal inspector metal-insulator boundary metal-insulator-metal metal-insulator-metal and metal- semiconductor-metal structure metal-insulator-metal and metal-semiconductor-metal structures metal-insulator-metal capacitor metal-insulator-metal device metal-insulator-metal devices