单项选择题
A.500Nm～550Nm B.530Nm～600Nm C.675Nm～700Nm D.941Nm～1046Nm
A.1mm B.1.2mm C.1.4mm D.1.5mm
A.0.5mm B.1mm C.2mm D.3mm
A.12mm B.13mm C.14mm D.15mm
A.4件 B.6件 C.8件 D.12件
A.600 B.680 C.700 D.780
A.GB/T1804-a级 B.GB/T1804-b级 C.GB/T1804-c级 D.GB/T1804-d级
A.90mm B.94mm C.104mm D.120mm
A.植物油 B.清漆 C.润滑脂 D.胶水
A.90° B.180° C.270° D.360°