单词	square bend
释义	square bend 直角弯头
随便看	base cost base coupled logic circuit base coupling base course base course drainage base course material base course of cement mortar base court base-court basecourt base courts base cover Base crl. base currencies base currency base current base current source base curve base cutter base cylinder base cylinder of involute helicoid worm -based based base-dance base data 月盈则食月章星句月缺花残月缺难圆月落乌啼月落参横月落星沉月貌花容月部月里嫦娥セッキセッキジダイセッキャクセッキョウセッキョウセッキョウブシセッキョクセッキョクテキセッキンセック