真(zhen)(zhen)(zhen)空(kong)(kong)(kong)包(bao)裝(zhuang)機按(an)照抽氣方(fang)式不同會有內抽式和外抽式兩種類型，它們都是由真(zhen)(zhen)(zhen)空(kong)(kong)(kong)系(xi)統、抽充(chong)氣密封系(xi)統、熱壓(ya)封合系(xi)統、電器控制系(xi)統等(deng)組成(cheng)。其中內抽式包(bao)裝(zhuang)機是有真(zhen)(zhen)(zhen)空(kong)(kong)(kong)室(shi)(shi)的，物品可以擺放在真(zhen)(zhen)(zhen)空(kong)(kong)(kong)室(shi)(shi)里，合上真(zhen)(zhen)(zhen)空(kong)(kong)(kong)機的真(zhen)(zhen)(zhen)空(kong)(kong)(kong)室(shi)(shi)上蓋(gai)后，就形成(cheng)密閉的空(kong)(kong)(kong)間，這樣就可以進行抽真(zhen)(zhen)(zhen)空(kong)(kong)(kong)工(gong)作了，但是在工(gong)作過(guo)程中，有時會出現真(zhen)(zhen)(zhen)空(kong)(kong)(kong)蓋(gai)合不上的情況