单项选择题
A.3.5t/节 B.3.6t/节 C.3.7t/节 D.3.8t/节
A.0.11m/m B.0.12m/m C.0.13m/m D.0.14m/m
A.162mm B.163mm C.164mm D.165mm
A.78mm B.80mm C.82mm D.84mm
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