单项选择题
A.5℃ B.3℃ C.1℃ D.0℃
A.产品合格证 B.容器说明书 C.质量证明书 D.以上都是
A.0~15%δ2且≤4mm B.0~1S%δ1且≤4mm C.<1.5mm D.<0~2.4mm