真(zhen)(zhen)(zhen)空(kong)(kong)包(bao)裝機(ji)按照抽氣(qi)方式(shi)(shi)不同(tong)會有(you)內(nei)抽式(shi)(shi)和外抽式(shi)(shi)兩種類型(xing)，它們都是(shi)由真(zhen)(zhen)(zhen)空(kong)(kong)系(xi)統(tong)(tong)、抽充(chong)氣(qi)密(mi)封(feng)系(xi)統(tong)(tong)、熱壓封(feng)合(he)系(xi)統(tong)(tong)、電器控制系(xi)統(tong)(tong)等組(zu)成。其中(zhong)內(nei)抽式(shi)(shi)包(bao)裝機(ji)是(shi)有(you)真(zhen)(zhen)(zhen)空(kong)(kong)室(shi)的，物品可以擺放(fang)在真(zhen)(zhen)(zhen)空(kong)(kong)室(shi)里(li)，合(he)上真(zhen)(zhen)(zhen)空(kong)(kong)機(ji)的真(zhen)(zhen)(zhen)空(kong)(kong)室(shi)上蓋后，就形成密(mi)閉的空(kong)(kong)間，這樣就可以進行抽真(zhen)(zhen)(zhen)空(kong)(kong)工(gong)作了，但是(shi)在工(gong)作過程(cheng)中(zhong)，有(you)時會出現真(zhen)(zhen)(zhen)空(kong)(kong)蓋合(he)不上的情(qing)況