heat source短语⁴⁹⁵²³ 基本例句 热源 The formation of hot springs must have a heat source to the end of the existence of rocks with cracks for hot springs gush, strata have storage space for hot water three conditions. 温泉的形成必须具备地底有热源存在、岩层中具裂隙让温泉涌出、地层中有储存热水的空间三个条件。 chinese