heading chisel

• 榫凿,框架凿,大头凿

heading chisel的用法和样例：

例句

1. He chipped away at a block of marble with a chisel.
   他连续用凿子凿一块大理石。
2. She used a chisel to prise off the lid.
   她用凿子来把盖子凿开。