真(zhen)空(kong)(kong)包裝(zhuang)機按照抽氣方式(shi)(shi)(shi)不(bu)同會有內(nei)抽式(shi)(shi)(shi)和外抽式(shi)(shi)(shi)兩種類型，它們都是(shi)由真(zhen)空(kong)(kong)系(xi)統(tong)(tong)、抽充氣密封(feng)系(xi)統(tong)(tong)、熱壓封(feng)合(he)系(xi)統(tong)(tong)、電(dian)器控制系(xi)統(tong)(tong)等組成。其中內(nei)抽式(shi)(shi)(shi)包裝(zhuang)機是(shi)有真(zhen)空(kong)(kong)室(shi)的(de)，物品可以(yi)擺放在真(zhen)空(kong)(kong)室(shi)里(li)，合(he)上(shang)真(zhen)空(kong)(kong)機的(de)真(zhen)空(kong)(kong)室(shi)上(shang)蓋后，就形成密閉(bi)的(de)空(kong)(kong)間，這樣就可以(yi)進(jin)行抽真(zhen)空(kong)(kong)工作(zuo)了，但是(shi)在工作(zuo)過程中，有時會出現(xian)真(zhen)空(kong)(kong)蓋合(he)不(bu)上(shang)的(de)情況(kuang)