英语语法分析

It is known that bimetallic and trimetallic catalysts offer improved properties over single metal catalysts.

已知双金属和三金属催化剂提供了优于单金属催化剂的性能。

One of the engineers working with Daykin had designed a circuit that relied on a bimetallic timer.

迪肯的一个同事曾设计过依赖双金属计时器的线路。

It achieves bimetallic joint corrosion resistance required by the increased use of galvanized metal.

双金属复合层也能获得良好的防腐蚀性，可适应日益扩大的镀锌钢板用量的需求。