- articulated hinge concrete铰接式混凝土;
- adjustable spanner活络扳子;
- adjustable grille可雕子窗;
- ball valve球阀，弹子阀;
- ball up滚成球;
- ball test球试验;
- ball playing skill控球技术;
- ball picker[体]捡球人;
- ball penn.<美>圆珠笔;
- ball park<美俗>职权范围之内的事;球场;
- ball not in play球不在比赛中
- ball mill球磨机;
- ball jointed rocker bearing球颈支承;
- ball joint球窝接合，球窝接头;球结;球节;
- ball in play赛中球;局中球;
- ball handling运球，控制球;
- ball grinder球磨床;
- ball gamen.球类运动;棒球;情况;局面;
- ball cockn.浮球阀;球旋塞;
- ball clay球粘土;球土;
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