延长: lengthen; extend; prolong; p ...管: pipe; tube头: 5点就得动身 have to start before ...延长管: exte ion tube; extension pipe; extension tube自动延长管: automatic extension tube自动延长管,自动回校光圈的延长管: automatic extension tube自动回校光圈的延长管: automatic extension tube管头: guantou; kanto; pipe head; tube head; tubehead延长: lengthen; extend; prolong; prolongate; elongation; extension; dwell; prolongation 延长有效期 prolong the period of validity; 条约延长十年。 the treaty has been prolonged for another ten years. 通过协议可以延长期限。 period may be extended upon expiration (through agreement).; 延长号 [音乐] pause; 延长线 extended [extension] line长管骨: long bone; os longum长管柱: long string接长管: extension pipe伸长管: extension tubing; lengthening pipe生长管: growth tube细长管: slimline吹管头: blow pipe head; top of lance导管头: conductor housing集管头: manifold header拉管头: bushing needle联管头: tube connecting flange南管头: nanguantou套管头: casing head; casinghead cabera de tubo-revestimiento; drive head拖管头: pulling head弯管头: corner油管头: tubing bonnet; tubing head