因为机械化生产的板材一般会放置一段时间再加工，这样利于甲醛挥发。

Because production mechanization plate usually set period of time, this machine to formaldehyde volatile.

youdao

因为机械化生产的板材一般会放置一段时间再加工，这样利于甲醛挥发。

Because production mechanization plate usually set period of time, this machine to formaldehyde volatile.

youdao