單項(xiàng)選擇題
A.-40~40℃ B.-5~40℃ C.-20~40℃
A.1 B.2 C.3
A.300 B.100 C.50 D.150
A.BZ4 B.BXG-38 C.BG1-50 D.BX34
A.±5% B.±10% C.5% D.±15%
A.大于1 B.小于1 C.等于1
A.±1% B.±2% C.±3% D.±4%
A.24±0.5 B.24±1.5 C.24±1
A.1.88 B.4.5 C.1.86 D.2.5
A.0.4~10.5 B.0.4~10.8 C.0.45~10.8
A.1 B.0.5 C.1.5 D.0.6