真(zhen)(zhen)空(kong)(kong)包裝機按(an)照(zhao)抽(chou)(chou)氣(qi)方式(shi)不同會有(you)內抽(chou)(chou)式(shi)和外抽(chou)(chou)式(shi)兩(liang)種(zhong)類(lei)型(xing)，它們(men)都是(shi)由真(zhen)(zhen)空(kong)(kong)系(xi)統、抽(chou)(chou)充氣(qi)密封(feng)系(xi)統、熱壓封(feng)合系(xi)統、電器控制系(xi)統等組(zu)成。其中(zhong)(zhong)內抽(chou)(chou)式(shi)包裝機是(shi)有(you)真(zhen)(zhen)空(kong)(kong)室(shi)的，物(wu)品可(ke)以擺放(fang)在真(zhen)(zhen)空(kong)(kong)室(shi)里，合上真(zhen)(zhen)空(kong)(kong)機的真(zhen)(zhen)空(kong)(kong)室(shi)上蓋后，就(jiu)形成密閉的空(kong)(kong)間，這樣(yang)就(jiu)可(ke)以進行抽(chou)(chou)真(zhen)(zhen)空(kong)(kong)工作(zuo)(zuo)了，但(dan)是(shi)在工作(zuo)(zuo)過程中(zhong)(zhong)，有(you)時會出(chu)現真(zhen)(zhen)空(kong)(kong)蓋合不上的情況