真(zhen)空(kong)(kong)(kong)包裝(zhuang)機(ji)(ji)按照(zhao)抽(chou)氣方(fang)式不同會有內抽(chou)式和外抽(chou)式兩種類(lei)型，它們都是由真(zhen)空(kong)(kong)(kong)系(xi)統(tong)、抽(chou)充氣密(mi)封系(xi)統(tong)、熱壓封合系(xi)統(tong)、電器控制系(xi)統(tong)等(deng)組成。其(qi)中內抽(chou)式包裝(zhuang)機(ji)(ji)是有真(zhen)空(kong)(kong)(kong)室(shi)的，物品可(ke)以(yi)擺放在真(zhen)空(kong)(kong)(kong)室(shi)里，合上(shang)真(zhen)空(kong)(kong)(kong)機(ji)(ji)的真(zhen)空(kong)(kong)(kong)室(shi)上(shang)蓋(gai)后，就形成密(mi)閉的空(kong)(kong)(kong)間，這樣(yang)就可(ke)以(yi)進行抽(chou)真(zhen)空(kong)(kong)(kong)工作了，但(dan)是在工作過程中，有時會出現真(zhen)空(kong)(kong)(kong)蓋(gai)合不上(shang)的情況