真(zhen)空(kong)(kong)包裝(zhuang)(zhuang)機按照抽(chou)氣方式(shi)不(bu)(bu)同(tong)會有內抽(chou)式(shi)和外抽(chou)式(shi)兩種類(lei)型，它們都是由真(zhen)空(kong)(kong)系(xi)統(tong)(tong)、抽(chou)充(chong)氣密封系(xi)統(tong)(tong)、熱(re)壓封合系(xi)統(tong)(tong)、電器控制系(xi)統(tong)(tong)等組成。其中內抽(chou)式(shi)包裝(zhuang)(zhuang)機是有真(zhen)空(kong)(kong)室(shi)的(de)，物品可以擺放在真(zhen)空(kong)(kong)室(shi)里，合上(shang)真(zhen)空(kong)(kong)機的(de)真(zhen)空(kong)(kong)室(shi)上(shang)蓋后，就形成密閉(bi)的(de)空(kong)(kong)間，這樣(yang)就可以進行抽(chou)真(zhen)空(kong)(kong)工作了，但是在工作過(guo)程中，有時會出現真(zhen)空(kong)(kong)蓋合不(bu)(bu)上(shang)的(de)情況