;真(zhen)空(kong)(kong)(kong)(kong)包裝機按(an)照抽(chou)氣(qi)方(fang)式不同(tong)會有內(nei)抽(chou)式和外抽(chou)式兩(liang)種類型，它們都是(shi)由真(zhen)空(kong)(kong)(kong)(kong)系統(tong)、抽(chou)充氣(qi)密封系統(tong)、熱壓封合系統(tong)、電器(qi)控制系統(tong)等組成(cheng)(cheng)。其(qi)中內(nei)抽(chou)式包裝機是(shi)有真(zhen)空(kong)(kong)(kong)(kong)室的(de)，物品(pin)可以擺放(fang)在真(zhen)空(kong)(kong)(kong)(kong)室里，合上真(zhen)空(kong)(kong)(kong)(kong)機的(de)真(zhen)空(kong)(kong)(kong)(kong)室上蓋(gai)后，就(jiu)形成(cheng)(cheng)密閉(bi)的(de)空(kong)(kong)(kong)(kong)間，這樣就(jiu)可以進行抽(chou)真(zhen)空(kong)(kong)(kong)(kong)工作(zuo)(zuo)了，但(dan)是(shi)在工作(zuo)(zuo)過(guo)程中，有時會出現真(zhen)空(kong)(kong)(kong)(kong)蓋(gai)合不上的(de)情(qing)況(kuang)