keyhole shaped orifice中文什么意思

钥匙孔形喷孔

• keyhole:    n. 锁眼；栓孔；钥匙孔(liste ...
• shape:    n. 1.形状；样子；形态；外形；模 ...
• orifice:    n. (管子等的)口，孔，锐孔，【化 ...