concentric plug

常見(jiàn)例句

雙語(yǔ)例句

• The Vifa XT25TG30-04 1" Dual Concentric Dome Tweeter features a patented dual concentric diaphragm and a unique wave guide center plug which provides an excellent on and off axis response."
  該威發(fā)xt25tg30 - 04 1 “雙同心圓頂音單元的特點(diǎn)獲得專(zhuān)利的雙同心膈肌和獨(dú)特的波導(dǎo)中心堵塞，其中提供了一個(gè)很好的上落軸的回應(yīng)。
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