真(zhen)空(kong)(kong)(kong)包裝(zhuang)機(ji)按照抽(chou)(chou)氣方式(shi)不同(tong)會有內抽(chou)(chou)式(shi)和外抽(chou)(chou)式(shi)兩種(zhong)類型，它們都(dou)是(shi)由真(zhen)空(kong)(kong)(kong)系(xi)統(tong)、抽(chou)(chou)充氣密封系(xi)統(tong)、熱(re)壓封合(he)系(xi)統(tong)、電(dian)器(qi)控制系(xi)統(tong)等組成。其(qi)中(zhong)內抽(chou)(chou)式(shi)包裝(zhuang)機(ji)是(shi)有真(zhen)空(kong)(kong)(kong)室(shi)(shi)的(de)(de)，物品可(ke)以擺放在真(zhen)空(kong)(kong)(kong)室(shi)(shi)里，合(he)上(shang)真(zhen)空(kong)(kong)(kong)機(ji)的(de)(de)真(zhen)空(kong)(kong)(kong)室(shi)(shi)上(shang)蓋后，就形成密閉的(de)(de)空(kong)(kong)(kong)間，這樣就可(ke)以進行抽(chou)(chou)真(zhen)空(kong)(kong)(kong)工(gong)(gong)作(zuo)了，但是(shi)在工(gong)(gong)作(zuo)過(guo)程中(zhong)，有時會出現(xian)真(zhen)空(kong)(kong)(kong)蓋合(he)不上(shang)的(de)(de)情況