flotation

浮选英释中释na container filled with air or gas, fixed to something to make it float

1 flotation process,浮选法

2 air flotation,空气浮选；充气浮选

3 flotation machine,浮选机

4 dissolved air flotation,溶气浮选法；溶解气浮选

5 flotation agent,浮选剂

6 flotation cell,[矿]浮选池

7 flotation tailings,浮选尾矿

8 froth flotation,浮选；泡沫浮选

1 A rise in the value of old securities is an indispensable preliminary to the flotation of new issues..一只旧的有价证券的升值是浮现新问题的必不可少的第一步。