这些每个重约13．6公斤的筒管放置在精梳机上。

These rolls, each weighting about 13.6kg, are taken to the combing frame.

youdao

这些每个重约13．6公斤的筒管放置在精梳机上。

These rolls, each weighting about 13.6kg, are taken to the combing frame.

youdao