Many images spring to mind at the mention of Portugal—port, fado, copper, charming villages and friendly people.
一说到葡萄牙，许多画面便跳入脑海——港口、法多、铜器、迷人的村庄和友好的居民。
Test fixtures often use spring contacts, which may be made of phosphor-bronze, beryllium-copper, or other materials with high Seebeck coefficients.
测试夹具常常采用弹簧触点的连接方法，这些触点可能由磷青铜、铍铜合金或者其它具有高赛贝克系数的材料制成。
Flow from the core switch, reset spring, wrought copper or polycarbonate shell and the sensor.
流量开关由磁芯、复位弹簧、锻铜或聚碳外壳和传感器组成。
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