valve gate
短语词组
- cylindrical valve ring gate 圆筒阀
- valve e gate 阀式浇口
- filling valve of gate 闸门充水阀
- Valve & gate 阀门及闸门
- valve or gate 阀门
- Plug Valve Gate repair 旋塞阀维修
- Valve gate nozzle 阀针式喷嘴
- Steel Valve Gate 钢闸门
- sequential valve gate technology 浇口技术 返回 valve gate