单项选择题
A.1°~10°B.2°~10°C.3°~10°D.4°~10°
A.大于2mLB.小于2mLC.小于5mLD.小于8mL
A.自锁的互动B.自锁的差动C.互锁的差动D.连锁的互动
A.350kgB.250kgC.150kgD.100kg
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