什么是加工精度？
参考答案：
所谓加工精度，是零件在加工之后，其尺寸、形状等参数的实际数值同它们绝对准确的各个理论参数相符合的程度。
---- How did you find your visit to the museum?
---- I really enjoyed it. It was _____ than I expected.
A．much more interesting
B．even much interesting
C．so more interesting
D．a lot more interested
烧杯通常用于（）和（）。
