释义 |
face-plates electron beam tube 基本例句 面板 The air mass between the top and bottom plates can also oscillate at the strings' natural frequencies.面板与背板之间的空气也可以在琴弦的自然频率下共振。 Grading exploitation of rock-filling materials has great impact on face rock-fill dam filling and construction cost.摘要面板堆石坝堆石料的级配开采对大坝的填筑质量和施工成本影响重大。 |