- tr cavity
- tr: Tr(s) ＝troops.
- 空腔: cavity
- tr: TR ＝ 1.Treasury Receipt (美国财政部发行的)国库券。 2.Training Regulations 操典。 tr ＝ 1.tare. 2.tower. 3.trace. 4.train. 5.transactions. 6.transition. 7.transitive. 8.translated. 9.translator. 10.transport(ation). 11.treasurer. 12.tributary. 13.trill. 14.trust(ee). Tr(s) ＝troops.
- 空腔: cavity◇空腔波导管 hollow-pipe waveguide; 空腔磁控管 cavity magnetron; 空腔辐射器 [热学] cavity radiator; 空腔加速器 cavity accelerator; 空腔滤波器 cavity filter; 空腔振荡器 cavity oscillator; hollow-space oscillator
- a ． tr ． movement certificate a ． tr: 移动声明
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