According to the characteristic of gunsight, an instrument based on laser technology is designed, which can examine and adjust artillery zero-line.

针对火炮瞄准装置的特点，设计开发了一种基于激光技术的火炮零线检查与调整仪器。

youdao

According to the characteristic of gunsight, an instrument based on laser technology is designed, which can examine and adjust artillery zero-line.

针对火炮瞄准装置的特点，设计开发了一种基于激光技术的火炮零线检查与调整仪器。

youdao