Why have I been blocked?
This website is using a security service to protect itself from online attacks. The action you just performed triggered the security solution. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data.
功能有那些？？
管理員回復(fù)： 該機(jī)主要用于產(chǎn)品的真空包裝，起到真空保質(zhì)貯藏的作用。