Material scientific workers studied the structure form of pure aluminium in such aspects as founding, rolling, heat treatment. Etc for a long time, to supervise production actually with it.

长期以来材料科学工作者对纯铝在熔铸、轧制、热处理等方面组织形态做了大量研究，以其指导实际生产。

youdao

Thirdly, the primary structural details of front suspension were chosen and designed, and this paper completed the particular design of front suspension system to supervise production practice.

然后对前悬架的主要结构元件进行选择及设计，完成前悬架系统的详细设计，从而指导生产实践。

youdao

To guide and supervise local coal sector administration departments in the verification of production capacities of coal mines.

指导和监督地方煤炭行业管理部门开展煤矿生产能力核定工作。

youdao

Hayes himself arrived in London this week to supervise the production.

BBC: Ballet star Sergei Polunin exits Midnight Express