真(zhen)(zhen)(zhen)空(kong)包裝機按照抽(chou)氣(qi)方式(shi)不(bu)同會有內(nei)抽(chou)式(shi)和外抽(chou)式(shi)兩種類型，它們都是(shi)(shi)由真(zhen)(zhen)(zhen)空(kong)系統(tong)(tong)、抽(chou)充氣(qi)密封系統(tong)(tong)、熱壓封合系統(tong)(tong)、電器控(kong)制系統(tong)(tong)等組成(cheng)。其(qi)中內(nei)抽(chou)式(shi)包裝機是(shi)(shi)有真(zhen)(zhen)(zhen)空(kong)室的，物品可(ke)以擺(bai)放在(zai)真(zhen)(zhen)(zhen)空(kong)室里，合上(shang)真(zhen)(zhen)(zhen)空(kong)機的真(zhen)(zhen)(zhen)空(kong)室上(shang)蓋后，就形成(cheng)密閉的空(kong)間(jian)，這樣就可(ke)以進(jin)行(xing)抽(chou)真(zhen)(zhen)(zhen)空(kong)工(gong)作(zuo)了，但是(shi)(shi)在(zai)工(gong)作(zuo)過程中，有時會出現真(zhen)(zhen)(zhen)空(kong)蓋合不(bu)上(shang)的情況