单项选择题
A.80℃ B.90℃ C.100℃ D.110℃
A.1%~60% B.15%~30% C.30%一50% D.50%~70%
A.1.5%~9.5% B.4%~44% C.4%~84.2% D.6%~57%
A.1.21MPa B.1.57MPa C.2.13MPa D.3.65MPa
微信扫一扫,加关注免费搜题
