真(zhen)空(kong)(kong)包裝機(ji)按照抽氣方式不同會有內(nei)抽式和(he)外(wai)抽式兩種類型(xing)，它們都是(shi)由真(zhen)空(kong)(kong)系統、抽充氣密封系統、熱壓封合(he)系統、電器控制系統等(deng)組成(cheng)。其中(zhong)內(nei)抽式包裝機(ji)是(shi)有真(zhen)空(kong)(kong)室(shi)的，物(wu)品可以(yi)擺放在(zai)真(zhen)空(kong)(kong)室(shi)里，合(he)上真(zhen)空(kong)(kong)機(ji)的真(zhen)空(kong)(kong)室(shi)上蓋后，就形成(cheng)密閉的空(kong)(kong)間，這(zhe)樣就可以(yi)進行抽真(zhen)空(kong)(kong)工(gong)(gong)作(zuo)了，但(dan)是(shi)在(zai)工(gong)(gong)作(zuo)過程中(zhong)，有時會出現真(zhen)空(kong)(kong)蓋合(he)不上的情況(kuang)