“ladle cover”造句，怎麼用ladle cover造句

2、Corrosion caused water leakage of ladle cover and its preventive measures are mainly analyzed and calculation analysis is adopted for the equipment reform in this paper.

1、Technical modifications to the turret-movable ladle cover device for the Consteel Mill at SISG

3、In order to improve the insulation performance of the ladle covering flux a new type carbide rice husk based ladle covering flux has been developed.