真(zhen)(zhen)空(kong)(kong)包(bao)裝(zhuang)機按照抽(chou)(chou)氣方(fang)式(shi)不(bu)同會有內(nei)抽(chou)(chou)式(shi)和(he)外抽(chou)(chou)式(shi)兩種類型，它們都是由真(zhen)(zhen)空(kong)(kong)系(xi)統(tong)、抽(chou)(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)等組成。其中(zhong)(zhong)內(nei)抽(chou)(chou)式(shi)包(bao)裝(zhuang)機是有真(zhen)(zhen)空(kong)(kong)室(shi)的(de)(de)，物品可以擺放在(zai)真(zhen)(zhen)空(kong)(kong)室(shi)里，合上真(zhen)(zhen)空(kong)(kong)機的(de)(de)真(zhen)(zhen)空(kong)(kong)室(shi)上蓋后，就形(xing)成密(mi)閉的(de)(de)空(kong)(kong)間，這樣就可以進(jin)行(xing)抽(chou)(chou)真(zhen)(zhen)空(kong)(kong)工(gong)作(zuo)了，但是在(zai)工(gong)作(zuo)過(guo)程中(zhong)(zhong)，有時會出現真(zhen)(zhen)空(kong)(kong)蓋合不(bu)上的(de)(de)情況(kuang)