单项选择题
A.-0.5 B.-0.4 C.-0.3 D.-0.05
A.120S B.60S C.600S D.300S
A.0.36Mpa B.0.1Mpa C.0.08Mpa D.0.64Mpa
A.62℃ B.72℃ C.77℃ D.90℃
微信扫一扫,加关注免费搜题