ねつ力学 りきがく だい いち法則 ほうそくだったら
netsurikigaku daiichi hōsokudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 熱力学第一法則

1. If/when thermodynamics first law…; If the first law of thermodynamics were…

Tara Conditional
Physics