真(zhen)空(kong)(kong)(kong)包裝(zhuang)機按照抽(chou)氣(qi)方(fang)式(shi)不同會(hui)有(you)內(nei)抽(chou)式(shi)和外抽(chou)式(shi)兩(liang)種類型，它們(men)都(dou)是(shi)由真(zhen)空(kong)(kong)(kong)系(xi)(xi)統、抽(chou)充氣(qi)密封(feng)系(xi)(xi)統、熱壓封(feng)合(he)系(xi)(xi)統、電器控制系(xi)(xi)統等組成。其(qi)中內(nei)抽(chou)式(shi)包裝(zhuang)機是(shi)有(you)真(zhen)空(kong)(kong)(kong)室的(de)，物品(pin)可以(yi)擺放在(zai)真(zhen)空(kong)(kong)(kong)室里，合(he)上真(zhen)空(kong)(kong)(kong)機的(de)真(zhen)空(kong)(kong)(kong)室上蓋后，就形成密閉的(de)空(kong)(kong)(kong)間，這樣(yang)就可以(yi)進(jin)行(xing)抽(chou)真(zhen)空(kong)(kong)(kong)工作了，但是(shi)在(zai)工作過(guo)程(cheng)中，有(you)時會(hui)出現(xian)真(zhen)空(kong)(kong)(kong)蓋合(he)不上的(de)情(qing)況