真(zhen)空(kong)(kong)(kong)包裝機按(an)照抽(chou)(chou)氣(qi)(qi)方式(shi)不同會(hui)有(you)內抽(chou)(chou)式(shi)和外抽(chou)(chou)式(shi)兩種類(lei)型(xing)，它們(men)都是(shi)由真(zhen)空(kong)(kong)(kong)系(xi)統(tong)、抽(chou)(chou)充氣(qi)(qi)密(mi)封(feng)系(xi)統(tong)、熱(re)壓封(feng)合系(xi)統(tong)、電器控(kong)制(zhi)系(xi)統(tong)等組成。其中內抽(chou)(chou)式(shi)包裝機是(shi)有(you)真(zhen)空(kong)(kong)(kong)室的，物(wu)品(pin)可以(yi)擺放(fang)在真(zhen)空(kong)(kong)(kong)室里，合上(shang)(shang)真(zhen)空(kong)(kong)(kong)機的真(zhen)空(kong)(kong)(kong)室上(shang)(shang)蓋后，就形成密(mi)閉的空(kong)(kong)(kong)間，這樣(yang)就可以(yi)進行抽(chou)(chou)真(zhen)空(kong)(kong)(kong)工作(zuo)了，但是(shi)在工作(zuo)過程中，有(you)時會(hui)出現真(zhen)空(kong)(kong)(kong)蓋合不上(shang)(shang)的情況