upper and lower die的意思|示意

Another benefit of the tryout press is that it permits die spotting (i.e., adjusting the upper and lower dies) prior to stamping operations.

调试压机的另外一个优点就是在冲压前对模具进行定位(例如调整上模和下模)。

The results revealed that in trees closest to the Wi-Fi source the upper and lower epidermis (skin) of the leaves developed a metallic luster and began to die off.

结果是，离无线宽带辐射源最近的小树，叶子的上下表皮出现了金属光泽，并且开始枯萎。

The forming recesses (1, 3) of a lower die (2) and an upper die (4) are formed to have a semi-oval profile so as to provide a forming space S almost oval in section with the dies closed.

下模具（2）和上模具（4）的成型凹部（1、3）形成为具有半椭圆形 轮廓以当模具闭合时提供大体椭圆形横截面的成型空间（S）。

An ejector rod and a female die are fixed at the lower part of the upper beam, and a mold core is mounted on the lower beam. The end of the mold core has at least one shoulder.

于上架梁的下方固定有顶杆和凹模，于下架梁上安装有其一端部至少有一个肩凸的型芯。