螺纹的公称直径是指螺纹的最大直径
参考答案：对
某车间计划30天生产870个零件，实际前16天完成了480个，照这样的速度计算计算，这个车间能不能按时完成任务？
A clean environment can help the city bid for the Olympics, _____ in turn will promote its economic
development. [ ]
A. what
B. which
C. that
D. as
