真(zhen)(zhen)(zhen)空(kong)(kong)(kong)包裝機按照抽(chou)(chou)氣(qi)方式不同會有內抽(chou)(chou)式和外抽(chou)(chou)式兩種類型，它(ta)們都是由(you)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)系統(tong)(tong)、抽(chou)(chou)充氣(qi)密封系統(tong)(tong)、熱壓封合系統(tong)(tong)、電器(qi)控制系統(tong)(tong)等組成。其中(zhong)內抽(chou)(chou)式包裝機是有真(zhen)(zhen)(zhen)空(kong)(kong)(kong)室(shi)的(de)(de)，物品可(ke)以(yi)擺(bai)放在(zai)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)室(shi)里，合上(shang)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)機的(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)室(shi)上(shang)蓋后(hou)，就(jiu)形成密閉(bi)的(de)(de)空(kong)(kong)(kong)間，這樣就(jiu)可(ke)以(yi)進行抽(chou)(chou)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)工作了，但是在(zai)工作過程中(zhong)，有時會出現真(zhen)(zhen)(zhen)空(kong)(kong)(kong)蓋合不上(shang)的(de)(de)情(qing)況(kuang)