真(zhen)空(kong)(kong)(kong)包裝機(ji)(ji)按(an)照抽氣方式(shi)(shi)不同會(hui)有內(nei)抽式(shi)(shi)和外抽式(shi)(shi)兩種類型，它們都是(shi)由(you)真(zhen)空(kong)(kong)(kong)系(xi)統、抽充氣密(mi)封系(xi)統、熱壓封合(he)系(xi)統、電器控制(zhi)系(xi)統等組成。其中內(nei)抽式(shi)(shi)包裝機(ji)(ji)是(shi)有真(zhen)空(kong)(kong)(kong)室的(de)(de)，物品可以(yi)擺放在真(zhen)空(kong)(kong)(kong)室里(li)，合(he)上真(zhen)空(kong)(kong)(kong)機(ji)(ji)的(de)(de)真(zhen)空(kong)(kong)(kong)室上蓋(gai)后，就形成密(mi)閉的(de)(de)空(kong)(kong)(kong)間(jian)，這(zhe)樣就可以(yi)進行(xing)抽真(zhen)空(kong)(kong)(kong)工(gong)作了，但(dan)是(shi)在工(gong)作過程(cheng)中，有時會(hui)出現(xian)真(zhen)空(kong)(kong)(kong)蓋(gai)合(he)不上的(de)(de)情況