真空(kong)包裝(zhuang)(zhuang)機按照抽(chou)氣方式(shi)不(bu)(bu)同會有(you)內(nei)抽(chou)式(shi)和外抽(chou)式(shi)兩種(zhong)類型(xing),它們都是由(you)真空(kong)系統(tong)、抽(chou)充氣密封系統(tong)、熱壓封合系統(tong)、電器(qi)控(kong)制系統(tong)等(deng)組成(cheng)。其中(zhong)內(nei)抽(chou)式(shi)包裝(zhuang)(zhuang)機是有(you)真空(kong)室(shi)的,物(wu)品可以擺(bai)放在真空(kong)室(shi)里,合上真空(kong)機的真空(kong)室(shi)上蓋后,就形成(cheng)密閉的空(kong)間,這樣就可以進行(xing)抽(chou)真空(kong)工作(zuo)了,但(dan)是在工作(zuo)過程中(zhong),有(you)時會出現(xian)真空(kong)蓋合不(bu)(bu)上的情況
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