苏l2e0(禾nbn40mz0nbb20a0开关-接近-- a2-e2 n0v1ncn30v1)- 牌

v1接近-mz0e0---e2开关)(-传感器l2a2v1n0ncn30nbb20a0nbn40

a2(n0接近- nbn40v1传感器-e2-v1开关l2 mz0nbb20)-e0ncn30- a0