真(zhen)空(kong)(kong)(kong)包裝機(ji)按照抽氣(qi)(qi)方(fang)式(shi)(shi)不同會(hui)有(you)內抽式(shi)(shi)和外抽式(shi)(shi)兩種類型(xing)，它們都是(shi)由真(zhen)空(kong)(kong)(kong)系(xi)統、抽充氣(qi)(qi)密封系(xi)統、熱壓封合(he)系(xi)統、電器控(kong)制系(xi)統等組(zu)成。其中(zhong)內抽式(shi)(shi)包裝機(ji)是(shi)有(you)真(zhen)空(kong)(kong)(kong)室(shi)的(de)(de)，物品(pin)可以擺放在真(zhen)空(kong)(kong)(kong)室(shi)里，合(he)上真(zhen)空(kong)(kong)(kong)機(ji)的(de)(de)真(zhen)空(kong)(kong)(kong)室(shi)上蓋后，就形成密閉的(de)(de)空(kong)(kong)(kong)間(jian)，這(zhe)樣(yang)就可以進行抽真(zhen)空(kong)(kong)(kong)工作了，但是(shi)在工作過程(cheng)中(zhong)，有(you)時會(hui)出現(xian)真(zhen)空(kong)(kong)(kong)蓋合(he)不上的(de)(de)情況