防磁钉的英文

• non magnetic shim
• non-magnetic shim
• residual pin

• 钉:    nail; tack
• 防磁:    waterproof, shock-resistant and antimagnetic
• 防磁的:    antimagnetic
• 防磁铁:    antimagnetic iron
• 防磁屏蔽:    antimagnetic shield