真(zhen)(zhen)空(kong)(kong)包裝機按照(zhao)抽(chou)氣(qi)方式(shi)(shi)不(bu)同會(hui)有(you)(you)內抽(chou)式(shi)(shi)和外抽(chou)式(shi)(shi)兩種類型，它們都是(shi)由真(zhen)(zhen)空(kong)(kong)系統、抽(chou)充氣(qi)密(mi)封系統、熱壓封合系統、電(dian)器控制系統等(deng)組成(cheng)。其中內抽(chou)式(shi)(shi)包裝機是(shi)有(you)(you)真(zhen)(zhen)空(kong)(kong)室的，物品(pin)可(ke)以(yi)擺(bai)放(fang)在真(zhen)(zhen)空(kong)(kong)室里，合上真(zhen)(zhen)空(kong)(kong)機的真(zhen)(zhen)空(kong)(kong)室上蓋后，就形成(cheng)密(mi)閉的空(kong)(kong)間(jian)，這樣就可(ke)以(yi)進(jin)行(xing)抽(chou)真(zhen)(zhen)空(kong)(kong)工作(zuo)了，但是(shi)在工作(zuo)過程中，有(you)(you)時會(hui)出現真(zhen)(zhen)空(kong)(kong)蓋合不(bu)上的情(qing)況