?收缩头

... 冒口 [机械工程] flash groove; casting head; feed head; feeder head; gate riser; hot top; riser; riser head; shrink head; shrinkage head; sink-head; sullage pipe; rising head◇冒口浇注 riser gating; 冒口颈 riser neck; 冒口颈长度 riser distance; 冒口模棒 riser pin; 冒口切割 arm sprue cut; 冒口圈 riser sleeve; 冒口窝 riser base; 冒口效率 riser efficiency; 冒口压力 riser pressure 收缩头 feeder head; feedhead; piped end; shrink head; shrinker 缩头虫 maldanid ...