真空(kong)(kong)(kong)(kong)(kong)包裝機按(an)照抽(chou)(chou)氣方式(shi)不同會(hui)有(you)內(nei)抽(chou)(chou)式(shi)和外抽(chou)(chou)式(shi)兩種類型，它們都是(shi)由真空(kong)(kong)(kong)(kong)(kong)系(xi)統(tong)(tong)(tong)、抽(chou)(chou)充(chong)氣密封系(xi)統(tong)(tong)(tong)、熱壓封合(he)系(xi)統(tong)(tong)(tong)、電器控制系(xi)統(tong)(tong)(tong)等組成。其中內(nei)抽(chou)(chou)式(shi)包裝機是(shi)有(you)真空(kong)(kong)(kong)(kong)(kong)室(shi)的(de)，物品可以擺(bai)放(fang)在真空(kong)(kong)(kong)(kong)(kong)室(shi)里(li)，合(he)上真空(kong)(kong)(kong)(kong)(kong)機的(de)真空(kong)(kong)(kong)(kong)(kong)室(shi)上蓋(gai)后，就形成密閉的(de)空(kong)(kong)(kong)(kong)(kong)間，這樣就可以進行抽(chou)(chou)真空(kong)(kong)(kong)(kong)(kong)工作了，但是(shi)在工作過程(cheng)中，有(you)時會(hui)出現真空(kong)(kong)(kong)(kong)(kong)蓋(gai)合(he)不上的(de)情況