真(zhen)(zhen)空(kong)(kong)包裝機按照抽氣方式(shi)不同(tong)會(hui)(hui)有(you)內抽式(shi)和外(wai)抽式(shi)兩(liang)種類型，它們都(dou)是(shi)(shi)由真(zhen)(zhen)空(kong)(kong)系統(tong)(tong)、抽充氣密封系統(tong)(tong)、熱(re)壓封合系統(tong)(tong)、電器(qi)控制系統(tong)(tong)等組成。其中內抽式(shi)包裝機是(shi)(shi)有(you)真(zhen)(zhen)空(kong)(kong)室(shi)的(de)，物品可(ke)以擺放在真(zhen)(zhen)空(kong)(kong)室(shi)里，合上真(zhen)(zhen)空(kong)(kong)機的(de)真(zhen)(zhen)空(kong)(kong)室(shi)上蓋后，就(jiu)形成密閉的(de)空(kong)(kong)間，這樣就(jiu)可(ke)以進(jin)行抽真(zhen)(zhen)空(kong)(kong)工(gong)作了，但是(shi)(shi)在工(gong)作過(guo)程中，有(you)時會(hui)(hui)出(chu)現(xian)真(zhen)(zhen)空(kong)(kong)蓋合不上的(de)情況