真(zhen)(zhen)空(kong)(kong)包裝機按照抽氣方式不同會有(you)內抽式和外抽式兩種類(lei)型，它們都是(shi)由真(zhen)(zhen)空(kong)(kong)系(xi)統(tong)(tong)、抽充氣密封(feng)系(xi)統(tong)(tong)、熱(re)壓封(feng)合(he)系(xi)統(tong)(tong)、電器(qi)控制系(xi)統(tong)(tong)等組成(cheng)。其中(zhong)內抽式包裝機是(shi)有(you)真(zhen)(zhen)空(kong)(kong)室的(de)(de)，物品可(ke)以擺放在真(zhen)(zhen)空(kong)(kong)室里，合(he)上真(zhen)(zhen)空(kong)(kong)機的(de)(de)真(zhen)(zhen)空(kong)(kong)室上蓋后，就形(xing)成(cheng)密閉的(de)(de)空(kong)(kong)間，這樣就可(ke)以進行抽真(zhen)(zhen)空(kong)(kong)工作了，但是(shi)在工作過程中(zhong)，有(you)時會出(chu)現真(zhen)(zhen)空(kong)(kong)蓋合(he)不上的(de)(de)情(qing)況