The cold extrusion process and mould design have been introduced of the pressing drill sleeve.
介绍了冲钻套筒的冷挤压工艺、 模具设计。
2
Please be noted pressing on sleeve and front pocket.
请留意袖和前袋的烫工。
3
It is an integral entity which is made up of a manual corrugated pipe or sleeve piston pump and a flow controlling valve. It is suitable for liquid suction, pressing and siphoning.