指令和培训时使用的所有材料，如说明书、手册、数据等，均应为英文。

All materials used for the instruction and training such as instruction books, manuals, data etc. shall be prepared in English.

youdao

指令和培训时使用的所有材料，如说明书、手册、数据等，均应为英文。

All materials used for the instruction and training such as instruction books, manuals, data etc. shall be prepared in English.

youdao