单项选择题
A.0.2 B.0.3 C.0.4 D.0.5
A.5MM B.10MM C.15MM D.20MM
A.压平弹簧垫圈 B.不松动 C.拧紧 D.压平弹簧垫圈不松动
A.2 B.3 C.4 D.5
A.24V B.36V C.48V D.127V
A.5M B.15M C.30M D.50M
A.0.1M B.0.2M C.0.3M D.0.5M
A.4M B.6M C.8M D.10M
A.1.5M B.2.0M C.3M D.4M
A.10° B.15° C.20° D.30°
A.0.2M B.0.4M C.0.5M D.0.6M