beryllium gold

基本解釋

BNC (Male) center contact is gold plated and the BNC (Female) is gold plated Beryllium Copper for reliable electrical connection.
BNC公頭中心連接體為鍍金材料，并且BNC母頭為鍍金鈹銅，具有可靠的電氣連接性能。
oishop.net
Banana plug spring is nickel-plated Beryllium Copper and BNC spring is gold plated Beryllium Copper for low contact resistance and long insertion life.
香蕉插頭彈簧為鍍鎳鈹銅，BNC彈簧為鍍金鈹銅，具有低接觸電阻和插入長壽命。
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The beryllium diaphragm that took the world by storm continued to evolve, adding gold evaporation to the high density, high purity casting beryllium diaphragm to produce ideal tone. Used on the GF-1.
鈹音膜在全世界范圍內(nèi)流行，采用了黃金蒸發(fā)法制作的高密度，高純度的鈹音膜創(chuàng)造出了最理想的音質(zhì)，并應用在了GF-1上。