单项选择题
A.110℃ B.120℃ C.130℃ D.140℃
A.40mm B.60mm C.80mm D.100mm
A.2880±100mm B.2880±80mm C.2880±60mm D.2880±50mm
A.310mm＋10mm B.310mm＋5mm C.300mm＋5mm D.305mm＋5mm
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