理想的平面药包可以理解为一个长度和宽度远比厚度大的薄片药包。

The ideal planar explosive package means the thin one whose length and width are much more greater than the thickness.

youdao

理想的平面药包可以理解为一个长度和宽度远比厚度大的薄片药包。

The ideal planar explosive package means the thin one whose length and width are much more greater than the thickness.

youdao