真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)包裝機按照抽(chou)(chou)(chou)氣(qi)方式(shi)(shi)不同會有(you)內抽(chou)(chou)(chou)式(shi)(shi)和外抽(chou)(chou)(chou)式(shi)(shi)兩種類型(xing)，它們都(dou)是(shi)由真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)系(xi)統(tong)、抽(chou)(chou)(chou)充氣(qi)密封系(xi)統(tong)、熱壓封合(he)(he)系(xi)統(tong)、電器控制系(xi)統(tong)等組成(cheng)。其(qi)中(zhong)內抽(chou)(chou)(chou)式(shi)(shi)包裝機是(shi)有(you)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)室(shi)(shi)的，物品可以擺(bai)放在真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)室(shi)(shi)里，合(he)(he)上(shang)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)機的真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)室(shi)(shi)上(shang)蓋(gai)后(hou)，就(jiu)形成(cheng)密閉的空(kong)(kong)間，這樣就(jiu)可以進行抽(chou)(chou)(chou)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)工作了(le)，但是(shi)在工作過程中(zhong)，有(you)時會出現(xian)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)蓋(gai)合(he)(he)不上(shang)的情況