large orifice大: big; large孔口: porthole; ostiole; orifices大孔口泄流: large opening flow孔口: [设计] porthole; ostiole; orifices大孔: foramen magnum; great occipital foramen; griddle; hatch; macro pore; macropore; macroscopic void下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:大孔口,即可在微信中查询翻译