准时生产方式用最后的装配工序来调节整个生产过程。（）
参考答案：对
I became a student ten years . I have been a student 1996. I have studied here_____ about 10 years.
A. ago, since, for B. ago ,for ,since, C. ago, before, for D ago, in, after
TN—100型托盘扭力天平在检定游丝加码机构时，测试游丝1g全量程内的均匀5点，要求误差不超过（）
A、7mg
B、8mg
C、9mg
D、10mg
