保溫飯壺怎樣保暖

buy the old version one,
the one which have vacuum glass is the best to keep warm
ask ur parents or older ppl, they'll know that
becase the new one did not have vacuum to keep away from thr outer atmosphere~
it'll be cooled down no longer

if u buy the one with vacuum glass inside, u will find that rice will keep as hot as the first moment u put them in

大多數保温壼靠其內胆真空隔層保温，在夏天沒問题但冬天時就顯出差效果，但可以將的飯煮軟(軟飯米粒之間空位少難散熱)一的試吓，或的餸计多的好餸飯無咁難下咽。
小贴士：除咗用熱水浸吓個壼外重可以用舊牛仔褲褲腳煎出一段做成飯壼袋可保暖耐的。

通常水銀膽的保溫瓶比較好，
日本仔那些抽真空的不鏽鋼排第二，好處是不易打破，
大陸那些發泡膠膽的最差，保溫力二個鐘，
如果想保溫力好些，試下裝多些飯，有作用的，質量多儲藏能量亦多！
或者改用鐵飯盒，電帶個小電盧返公司，要食就放個飯盒上去熱幾分鐘咪仲好！

有發熱線架麻。