| 摘要 |
PROBLEM TO BE SOLVED: To simultaneously discharge the content in an outer vessel and the content in an inner vessel only by tilting the vessels. SOLUTION: In a vessel 10, the contents A and B which are respectively charged in the outer vessel 11 and the inner vessel 21 are simultaneously discharged from an outer nozzle 12 and an inner nozzle 22 by tilting the vessel 10. |
