Two metallic strips with different coefficients of thermal expansion are permanently joined together to form a bimetallic strip.
两个具有不同膨胀系数的金属条永久连接在一起组成双金属条。
The bandwidth of the DRA is increased by using coplanar-waveguide inductive slot, and the size of the DRA is reduced by loading a L metallic strip on the DR.
其中，介质谐振天线通过采用共面波导馈电来提高带宽，通过加载倒L形金属片来减小体积，从而实现了宽频带和小型化的目的；
The results show that the flaws on the surface of high quality cold rolling strip steel are due to the many kinds of non-metallic inclusions of the steel.
分析表明，钢中存在的多种非金属夹杂物是产生优质带钢起皮的主要原因。
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