真(zhen)(zhen)(zhen)空(kong)(kong)(kong)包裝機按照抽(chou)氣方式不同會有內抽(chou)式和外抽(chou)式兩種類型，它們都是(shi)由真(zhen)(zhen)(zhen)空(kong)(kong)(kong)系統(tong)、抽(chou)充氣密封系統(tong)、熱(re)壓(ya)封合系統(tong)、電(dian)器控制系統(tong)等組成。其中內抽(chou)式包裝機是(shi)有真(zhen)(zhen)(zhen)空(kong)(kong)(kong)室的(de)(de)，物品可(ke)以(yi)擺(bai)放(fang)在真(zhen)(zhen)(zhen)空(kong)(kong)(kong)室里，合上(shang)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)機的(de)(de)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)室上(shang)蓋后，就形成密閉的(de)(de)空(kong)(kong)(kong)間，這樣就可(ke)以(yi)進行抽(chou)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)工作(zuo)(zuo)了，但是(shi)在工作(zuo)(zuo)過程中，有時(shi)會出現真(zhen)(zhen)(zhen)空(kong)(kong)(kong)蓋合不上(shang)的(de)(de)情況