短语词组短語molten slag pool 渣池molten weld pool 銲接熔池molten pool stirring 熔池攪拌Molten pool level 熔池液位boiling g molten pool 沸騰狀溶池dimension of molten pool 熔池尺寸cooking food molten pool 沸騰狀熔池Molten Pool Flow 熔池流動 返回 molten pool