例句與造句

1. By researching heat conduction of air interlayer , the coefficient of heat transmission expression of vertical space layer is derived in stable condition
   對罐壁空氣夾層的導(dǎo)熱問題進(jìn)行了研究。推導(dǎo)出了穩(wěn)定狀態(tài)下，垂直有限空間夾層中傳熱系數(shù)的表達(dá)式。
2. It's difficult to find coefficient of heat transmission in a sentence. 用coefficient of heat transmission造句挺難的