真(zhen)空(kong)(kong)包(bao)裝機按照抽(chou)氣方式(shi)不(bu)同會(hui)有(you)內抽(chou)式(shi)和外抽(chou)式(shi)兩種(zhong)類(lei)型，它們都是(shi)由真(zhen)空(kong)(kong)系(xi)(xi)(xi)統(tong)(tong)、抽(chou)充氣密(mi)封系(xi)(xi)(xi)統(tong)(tong)、熱壓封合系(xi)(xi)(xi)統(tong)(tong)、電器控制系(xi)(xi)(xi)統(tong)(tong)等組(zu)成(cheng)。其(qi)中內抽(chou)式(shi)包(bao)裝機是(shi)有(you)真(zhen)空(kong)(kong)室的(de)，物品可以擺放在真(zhen)空(kong)(kong)室里，合上真(zhen)空(kong)(kong)機的(de)真(zhen)空(kong)(kong)室上蓋(gai)后，就形成(cheng)密(mi)閉的(de)空(kong)(kong)間，這樣就可以進行抽(chou)真(zhen)空(kong)(kong)工(gong)作(zuo)了，但是(shi)在工(gong)作(zuo)過程中，有(you)時(shi)會(hui)出現真(zhen)空(kong)(kong)蓋(gai)合不(bu)上的(de)情(qing)況