基本解釋集射四極管同根派生 beam-tetrode相關(guān)詞英漢例句She performed on the balance beam with much grace. 她在平衡木上表演得非常優(yōu)美。The beam of the searchlight pierced the darkness. 探照燈的光柱射入黑暗中。His answer was right on the beam. 他的答案完全正確。He struck the beam with his head. 他的頭撞到梁上了。beam tetrode power amplifier 集射四極管功率放大器beam-tetrode更多例句