单项选择题
A.100mgB.120mgC.140mgD.160mg
A.5mg/组B.10mg/组C.15mg/组D.20mg/组
A.≥26mmB.≥28mmC.≥30mmD.≥23mm
A.≤2.5mmB.≤1.5mmC.≤1.0mmD.≤2.0mm
A.18个B.20个C.21个D.23个
A.5minB.10minC.12minD.15min
A.130+0-0.025mmB.130+0.005-0.02mmC.130+0.005-0.025mmD.130+0.005+0mm