上馅时，馅心一般上在中间，包好即成，关键是不能把馅上偏，这种上馅方法被称为（）。
A、拢上法
B、夹上法
C、注入法
D、包上法
参考答案：D
His health failing, ______ last year.
A．so the school gave Mr. Smith leave
B．the school had given Mr. Smith leave
C．so Mr. Smith went on leave from work
D．Mr. Smith went on leave from work
再选跳汰机前采用水冲溜槽给料的主要优缺点是什么？
