For best results , the water should be boiling when the food goes into the steameer and the flame should be high enough to keep it boiling . have a kattle of boiling water nearby so if water in the steamer evaporates you can add more without reducing the heat . be cautious ; steam is hot 要想蒸得效果好，水开锅后，食物上屉时水还要持续开，灶火要旺，旁边备壶开水，若锅内水蒸发时可添入以免蒸汽减少小心，蒸气异常热。
For best results , the water should be boiling when the food goes into the steameer and the flame should be high enough to keep it boiling . have a kattle of boiling water nearby so if water in the steamer evaporates you can add more without reducing the heat . ( be cautious ; steam is hot 要想蒸得效果好，水开锅后，食物上屉时水还要持续开，灶火要旺，旁边备壶开水，若锅内水蒸发时可添入以免蒸汽减少（小心，蒸气异常热） 。
For two up and down jets plunging into a cushion pool , two factors of up depth and down depth of water cushion are first introduced actually , then the methods calculating the reasonable depth of cushion pool and the reasonable distance between up jet and down jet are introduced 针对上、下双股水舌入射水垫塘时水垫塘底板上的压力变化规律，首次根据射流理论提出了上、下水垫深度的概念及其计算方法，并进而提出了计算水垫塘合理深度及水垫塘内水舌合理入水间距的方法。
