真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)包裝(zhuang)機(ji)按照抽(chou)(chou)氣方式不同會(hui)(hui)有(you)內(nei)抽(chou)(chou)式和外抽(chou)(chou)式兩種類型(xing)，它(ta)們都是由(you)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)系(xi)統(tong)(tong)(tong)、抽(chou)(chou)充氣密封(feng)系(xi)統(tong)(tong)(tong)、熱壓封(feng)合(he)系(xi)統(tong)(tong)(tong)、電(dian)器控制系(xi)統(tong)(tong)(tong)等(deng)組成。其(qi)中內(nei)抽(chou)(chou)式包裝(zhuang)機(ji)是有(you)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)室的(de)(de)，物品可(ke)以(yi)擺放在(zai)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)室里，合(he)上(shang)(shang)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)機(ji)的(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)室上(shang)(shang)蓋后(hou)，就(jiu)形成密閉的(de)(de)空(kong)(kong)間，這樣就(jiu)可(ke)以(yi)進行抽(chou)(chou)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)工作(zuo)(zuo)了，但是在(zai)工作(zuo)(zuo)過程中，有(you)時會(hui)(hui)出現真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)蓋合(he)不上(shang)(shang)的(de)(de)情況