结合法兰

【化】 companion flange

结的英语翻译：

congeal; form; knot; settle; vinculum; weave
【医】 knob; knot; node; nodule; noduli; nodulus; nodus; noeud

合法的英语翻译：

be within the law; legality; legitimacy
【法】 be within the law; legality