粉碎是借助机械力将大块固体物料碎裂成适当粒度颗粒的操作过程。
参考答案：对
He put in a special _____ for an extra day's holiday so that he could attend his daughter's wedding.
A．request
B．demand
C．inquiry
D．proposal
纠正措施是指（）所采取的措施。
A、返工返修
B、对不合格品
C、防止不合格可能发生
D、对不合格原因
