This then allows the lower plate lug to make contact of its two corners with the slanting walls of "v" groove.

这便于下面的极板年的两角与“v”字形沟槽的两个倾斜的壁相接触。

youdao

This then allows the lower plate lug to make contact of its two corners with the slanting walls of "v" groove.

这便于下面的极板年的两角与“v”字形沟槽的两个倾斜的壁相接触。

youdao