天てん日ぴ法ほうじ字FuriganaMeanings1nounsolar-evaporation processTechnical term used in salt production; refers to the method of evaporating seawater using sunlight.この地ち域いきでは、天てん日ぴ法ほうで塩しおを作つくっています。In this region, salt is made using the solar-evaporation process.
