真(zhen)空(kong)(kong)包裝(zhuang)機按照(zhao)抽氣(qi)方(fang)式不同(tong)會(hui)(hui)有(you)內(nei)抽式和外抽式兩種類型，它們都是(shi)由真(zhen)空(kong)(kong)系統(tong)、抽充氣(qi)密封(feng)系統(tong)、熱壓封(feng)合(he)(he)系統(tong)、電(dian)器(qi)控(kong)制系統(tong)等組成(cheng)。其中內(nei)抽式包裝(zhuang)機是(shi)有(you)真(zhen)空(kong)(kong)室的(de)，物品可以(yi)擺放在真(zhen)空(kong)(kong)室里，合(he)(he)上(shang)真(zhen)空(kong)(kong)機的(de)真(zhen)空(kong)(kong)室上(shang)蓋后，就形(xing)成(cheng)密閉的(de)空(kong)(kong)間(jian)，這樣就可以(yi)進行抽真(zhen)空(kong)(kong)工(gong)作了，但是(shi)在工(gong)作過程中，有(you)時會(hui)(hui)出現(xian)真(zhen)空(kong)(kong)蓋合(he)(he)不上(shang)的(de)情況(kuang)