beam-tetrode

常见例句

• She performed on the balance beam with much grace.
  她在平衡木上表演得非常优美。
• The beam of the searchlight pierced the darkness.
  探照灯的光柱射入黑暗中。
• His answer was right on the beam.
  他的答案完全正确。
• He struck the beam with his head.
  他的头撞到梁上了。
• beam tetrode power amplifier
  集射四极管功率放大器
• The beam has a thickness of 3 inches.
  这根梁厚3英寸。
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