【判断题】After the mold cavity is filled with the polymer melt, the packing stage provides additional material into the mold cavity as the molten plastic melt cools and contracts.
【简答题】is a device used to compress and secure the packing material into thestuffing box. The packing gland nuts are designed to be evenly tightened by atechnician to stop .
【判断题】Thanks for your packing guidance, but regret our inability to meet your request of the special packing material. 谢谢你方的包装指示,不过遗憾的是我们没有能力满足你方对使用这种特殊包装材料的要求。