真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)包(bao)裝機按照抽(chou)(chou)氣(qi)方式(shi)(shi)不(bu)同(tong)會有(you)內抽(chou)(chou)式(shi)(shi)和外(wai)抽(chou)(chou)式(shi)(shi)兩種類型，它們都是(shi)由真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)系(xi)(xi)統(tong)、抽(chou)(chou)充氣(qi)密(mi)(mi)封系(xi)(xi)統(tong)、熱(re)壓封合系(xi)(xi)統(tong)、電器控制系(xi)(xi)統(tong)等組(zu)成。其中內抽(chou)(chou)式(shi)(shi)包(bao)裝機是(shi)有(you)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)室(shi)的，物(wu)品可以擺放(fang)在真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)室(shi)里(li)，合上真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)機的真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)室(shi)上蓋后(hou)，就(jiu)(jiu)形成密(mi)(mi)閉的空(kong)(kong)間，這樣就(jiu)(jiu)可以進行抽(chou)(chou)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)工作(zuo)了，但是(shi)在工作(zuo)過程中，有(you)時(shi)會出現真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)蓋合不(bu)上的情況