通过派送技术人员去协议厂商进行技术指导，严格控制出货品质。

We sent technicians to them to provide techniques and to control the quality.

youdao

通过派送技术人员去协议厂商进行技术指导，严格控制出货品质。

We sent technicians to them to provide techniques and to control the quality.

youdao