primary digestionとは 意味・読み方・使い方

For example, when seawater is conc. to obtain salt, at first, seawater is preheated in the primary preheating flow passage 9 of the evaporation means A and the secondary preheating flow passages 15, 16 of the digestion means B and heated in a heating pipe part 3a to be evaporated in a primary evaporation chute 1.例文帳に追加

例えば、海水を濃縮して塩をとる場合、まず蒸発手段Ａの一次予熱流路９、蒸煮手段Ｂの二次予熱流路１５、１６で余熱、加熱管部３ａで加熱して、一次蒸発シュート１で蒸発する。 - 特許庁