单项选择题
A.25mm±0.4mm B.24.5mm±0.4mm C.25.5mm±0.4mm D.24mm±0.4mm
A.0.4Mpa-0.8Mpa B.0.5Mpa-0.8Mpa C.0.6Mpa-0.8Mpa D.0.7Mpa-0.8Mpa
A.-32℃ B.-60℃ C.-40℃ D.常温
A.0.25±0.05Mpa60±30s B.0.25±0.05Mpa60±20s C.0.25±0.03Mpa60±30s D.0.25±0.03Mpa60±20s
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