gōng / chéng / shī / xiān / jiǎn / chá / yù / jìn / liào / de / bǎo / cún / zhuàng / tài / zài / kāi / shǐ / pū / céng

工程师先检查预浸料的保存状态，再开始铺层。

The engineer first checked the prepreg's storage condition before beginning the layup.