A.3% B.5% C.7% D.10%
A.0.08mm B.0.045mm C.0.15mm D.0.315mm
A.(20±1)℃ B.(20±2)℃ C.(20±3)℃ D.(20±5)℃
A.成比例 B.越慢 C.没关系 D.越快
A.135 B.140 C.170 D.180