例句與造句

1. All but the simplest safes are designed to protect against drilling attacks through the implementation of hardplate steel ( extremely wear-resistant ) or composite hardplate ( a casting of metal such as cobalt-vanadium alloys with embedded tungsten carbide chips designed to shatter the cutting tips of a drill bit ) within the safe, protecting the locking mechanism and other critical areas such as the locking bolts.
2. It's difficult to find tungsten carbide chip in a sentence. 用tungsten carbide chip造句挺難的