electric brake

• 电闸,电力制动器

electric brake的用法和样例：

例句

1. Instantly Murchison pressed with his finger the key of the electric battery , completed the circuit, and released the spark into the breach of the Columbiad.
   莫奇生突然用手指揿下电闸，接通电流，把电火送到了哥伦比亚炮炮底。