?活

... chute spillway陡槽式溢洪道... articulated chute(浇混凝土用的) 活... chute cutoff流槽裁弯 ...

?浇混凝土用的

活接头螺母 union nut活接头螺栓 swing bolt活接头套管 union thimble活接卸槽 articulated chute (浇混凝土用的)弯头 joint弯头 angle fittings bent pipe elbow knee弯头扳手 bent-handle wrench bent spanner弯头车刀 angul..

?活节溜管

articulated chute (浇混凝土用的) 活接卸槽; 活节溜管; 象鼻管..

[建]?象鼻管

象鼻管 articulated chute; element trunk; elephant trunk; elephant tubing 象鼻山 cheung pei shan; durdle door; the elephant hill