触头卡规的英文

• feeler

• 触:    touch; contact
• 头:    5点就得动身 have to start before ...
• 卡规:    calipers; calliper gauge; ga ...
• 单头卡规:    single end snap gage; single end snap gauge; single-end snaga(u)ge; single-end snap gage
• 双头卡规:    double end snap gauge; double-end snap gage