真(zhen)空(kong)(kong)(kong)(kong)包裝(zhuang)(zhuang)機(ji)按照抽氣方式(shi)不(bu)同會有內(nei)抽式(shi)和外抽式(shi)兩(liang)種(zhong)類型，它們都是(shi)由(you)真(zhen)空(kong)(kong)(kong)(kong)系統(tong)、抽充氣密封系統(tong)、熱壓封合(he)系統(tong)、電器控制系統(tong)等(deng)組成。其中內(nei)抽式(shi)包裝(zhuang)(zhuang)機(ji)是(shi)有真(zhen)空(kong)(kong)(kong)(kong)室的(de)(de)，物品可(ke)以擺(bai)放在(zai)真(zhen)空(kong)(kong)(kong)(kong)室里，合(he)上真(zhen)空(kong)(kong)(kong)(kong)機(ji)的(de)(de)真(zhen)空(kong)(kong)(kong)(kong)室上蓋后，就(jiu)形成密閉(bi)的(de)(de)空(kong)(kong)(kong)(kong)間，這樣就(jiu)可(ke)以進行(xing)抽真(zhen)空(kong)(kong)(kong)(kong)工作了，但是(shi)在(zai)工作過程中，有時會出現真(zhen)空(kong)(kong)(kong)(kong)蓋合(he)不(bu)上的(de)(de)情況