驻车制动器

• 馬(horse)RADICAL
• 主(master; stand still)PHONO-SEMANTIC

A horse standing still in place is like a master guarding and holding territory.

• 車(vehicle; chariot)ASSOCIATIVE

The character 車 is an ancient picture of a vehicle viewed from above, showing its axle and wheels.

• 巾(cloth; scarf)ASSOCIATIVE
• 刂(knife; cut)RADICAL

Making is using a knife to cut cloth into a desired shape.

• 云(cloud)PHONETIC
• 力(strength; power)RADICAL

Powerful strength like rolling clouds surge creates motion.