真(zhen)空(kong)(kong)(kong)包裝(zhuang)機(ji)按照抽(chou)(chou)氣方(fang)式(shi)(shi)不(bu)同會有內抽(chou)(chou)式(shi)(shi)和外抽(chou)(chou)式(shi)(shi)兩種類型，它們都是由真(zhen)空(kong)(kong)(kong)系(xi)統(tong)、抽(chou)(chou)充氣密封系(xi)統(tong)、熱壓封合(he)系(xi)統(tong)、電器控(kong)制系(xi)統(tong)等組成。其中內抽(chou)(chou)式(shi)(shi)包裝(zhuang)機(ji)是有真(zhen)空(kong)(kong)(kong)室(shi)的，物品可(ke)以擺(bai)放在(zai)(zai)真(zhen)空(kong)(kong)(kong)室(shi)里，合(he)上(shang)真(zhen)空(kong)(kong)(kong)機(ji)的真(zhen)空(kong)(kong)(kong)室(shi)上(shang)蓋(gai)后，就(jiu)形成密閉(bi)的空(kong)(kong)(kong)間，這(zhe)樣就(jiu)可(ke)以進行抽(chou)(chou)真(zhen)空(kong)(kong)(kong)工作(zuo)了，但是在(zai)(zai)工作(zuo)過程(cheng)中，有時會出現真(zhen)空(kong)(kong)(kong)蓋(gai)合(he)不(bu)上(shang)的情況