使用过滤器从滑油中除去不需要的物质
A.Use a filter to remove unwanted material from the oil. B.Use a valve to remove unwanted material from the gas. C.Use a filter to remove unwanted material from the fluid.正确答案A
使用过滤器从滑油中除去不需要的物质
A.Use a filter to remove unwanted material from the oil. B.Use a valve to remove unwanted material from the gas. C.Use a filter to remove unwanted material from the fluid.正确答案A
