真(zhen)(zhen)空(kong)(kong)(kong)包裝(zhuang)機按照抽氣方(fang)式(shi)不同會(hui)有(you)內抽式(shi)和外(wai)抽式(shi)兩種類型，它(ta)們都是由真(zhen)(zhen)空(kong)(kong)(kong)系統(tong)、抽充氣密封(feng)系統(tong)、熱壓封(feng)合(he)系統(tong)、電器控制系統(tong)等組成。其中(zhong)內抽式(shi)包裝(zhuang)機是有(you)真(zhen)(zhen)空(kong)(kong)(kong)室(shi)的，物品可(ke)以(yi)擺放在真(zhen)(zhen)空(kong)(kong)(kong)室(shi)里(li)，合(he)上(shang)真(zhen)(zhen)空(kong)(kong)(kong)機的真(zhen)(zhen)空(kong)(kong)(kong)室(shi)上(shang)蓋后，就形(xing)成密閉的空(kong)(kong)(kong)間(jian)，這(zhe)樣就可(ke)以(yi)進行抽真(zhen)(zhen)空(kong)(kong)(kong)工(gong)(gong)作了，但是在工(gong)(gong)作過程中(zhong)，有(you)時(shi)會(hui)出現真(zhen)(zhen)空(kong)(kong)(kong)蓋合(he)不上(shang)的情況