单词	npn
释义	npn [计] 晶体管 [化] 非蛋白氮
随便看	downhole air hammer downhole axial flow turbine-pump unit downhole chamber downhole choke downhole condition downhole drill down-hole drill downhole dynadrill downhole dynagraph downhole electric heater downhole electrodrill downhole electronic pressure bomb downhole engine pump downhole equipment downhole explosion downhole flowmeter down-hole flowmeter downhole gas burner downhole gas-oil separator downhole geophone downhole ground down-hole hammer down hole heat exchanger-technology downhole instrument downhole measurement zmfq zmfr zmfx zmfy zmgd zmgh zmgs zmhc zmhh zmjg 素描素揚げ素揚ゲ素数素敵素早い素早イ素晴らしい素晴ラシイ素朴