电动转辙机自动开闭器动接点与静接点座间隙不小于3mm。（)

A.2mm

B.2.5mm

C.3mm

D.3.5mm

A.静接点片

B.静接点座

C.静接点组

D.静接点

A.≥3mm

B.≥2mm

C.≥4mm

A.接点接触深度≥4mm

B.动接点在静接点内的摆动量≤3.5mm

C.动接点与接点座间隙≥3mm

D.动接点在静接点内旷动时，应保证接点接触深度≥2mm

A.0.5

B.1

C.1.5

D.2

A.2mm

B.3mm

C.4mm

D.5mm

A.≥2mm

B.≥3mm

C.≥4mm

A.3mm

B.4mm

C.5mm

D.6mm

A.摩擦连接器

B.自动开闭器

C.移位接触器

D.安全接点

A.1排

B.2排

C.3排

D.4排