half crown meaning in English
半克朗〔英国旧银币名，合2先令6便士〕。
Examples
- 90 reduced countersunk head half crown rivet
90小沉头半冠状铆钉 - 90 countersunk head half crown rivet
90沉头半冠状铆钉 - Aircraft assembling technology reveting of interfere fitting for half crown rivets and conhead rivets
飞机装配工艺半冠状铆钉平锥头铆钉干涉配合铆接