真(zhen)空(kong)(kong)(kong)包裝機按照抽(chou)(chou)氣(qi)方式(shi)不同會(hui)(hui)有內抽(chou)(chou)式(shi)和外抽(chou)(chou)式(shi)兩種類型，它們都是由真(zhen)空(kong)(kong)(kong)系(xi)統、抽(chou)(chou)充氣(qi)密(mi)封系(xi)統、熱壓封合(he)系(xi)統、電器控(kong)制系(xi)統等組(zu)成。其(qi)中內抽(chou)(chou)式(shi)包裝機是有真(zhen)空(kong)(kong)(kong)室(shi)(shi)的(de)，物品可以擺放在真(zhen)空(kong)(kong)(kong)室(shi)(shi)里，合(he)上(shang)(shang)真(zhen)空(kong)(kong)(kong)機的(de)真(zhen)空(kong)(kong)(kong)室(shi)(shi)上(shang)(shang)蓋后，就(jiu)形(xing)成密(mi)閉(bi)的(de)空(kong)(kong)(kong)間，這(zhe)樣就(jiu)可以進行抽(chou)(chou)真(zhen)空(kong)(kong)(kong)工(gong)(gong)作了，但是在工(gong)(gong)作過程中，有時會(hui)(hui)出現真(zhen)空(kong)(kong)(kong)蓋合(he)不上(shang)(shang)的(de)情況