将一个标准四模腔大水口模具与一个四模腔倒转大水口模具结合成为一套可于同一大小的注塑机，生产量可增加一倍的层板模具，并且可降低成本。

Combine a traditional 4 cavity edge gate and a 4 cavities reverse gate mould which help to double the moulding capacity and reduce production cost.

youdao

int No. Even though the key word has changed from char to int, the * is the same and the fact that I've got a * there is saying this is a pointer to an int or a pointer to a char pointers are always the same size on a computer.

不，即使即使关键字从char变成了，指针的大小还是一样的,我用*表示这是一个int型指针,而不是char型指针，在同一台机子上,它们的大小是一样的。

哈佛公开课 - 计算机科学课程节选