真空(kong)(kong)(kong)包裝機(ji)按(an)照抽(chou)氣(qi)方式不(bu)同會有(you)(you)內抽(chou)式和外(wai)抽(chou)式兩(liang)種類型(xing)，它們(men)都是(shi)由真空(kong)(kong)(kong)系統、抽(chou)充氣(qi)密封系統、熱(re)壓封合系統、電器控制(zhi)系統等組成。其中(zhong)內抽(chou)式包裝機(ji)是(shi)有(you)(you)真空(kong)(kong)(kong)室(shi)的，物品(pin)可(ke)以擺放在真空(kong)(kong)(kong)室(shi)里，合上(shang)真空(kong)(kong)(kong)機(ji)的真空(kong)(kong)(kong)室(shi)上(shang)蓋后，就形成密閉(bi)的空(kong)(kong)(kong)間，這(zhe)樣就可(ke)以進行抽(chou)真空(kong)(kong)(kong)工(gong)(gong)作(zuo)(zuo)了(le)，但是(shi)在工(gong)(gong)作(zuo)(zuo)過程中(zhong)，有(you)(you)時會出現真空(kong)(kong)(kong)蓋合不(bu)上(shang)的情況