同轴圆筒仪 coaxial cylinder apparatus
六方套筒仪表改锥 Nut Driver Set
滚筒试验仪 Tumble Tester
转筒记录仪 roll-chart recorder
双筒天体摄影仪 double astrograph
航摄仪镜筒 aerial camera cone ; lens cone
浮筒式液位仪表 Displacement type level instruments
双筒赤道仪 [天] double equatorial
滚筒式扫描仪 drum scanner
内外滚筒扫绘图仪 internal and external drum plotters
通过对大量实验数据的分析研究，得出振筒气压仪测量误差的主要来源，这对于提高大气压力测量的准确度是非常有益的。
The main factors causing measurement errors were identified through the study and analysis of experiment data. They are very useful for improving the accuracy of atmospheric pressure measurement.
提出一种激光粒度仪短筒功率谱采集透镜(PSCL)系统设计方案。
A compact power spectrum collection lens (PSCL) system for the laser diffraction particle size analyzer was proposed.
利用相位多普勒仪（PDPA）系统研究了不同旋流数下突扩旋风筒内气粒两相湍流特性的变化规律。
The dilute gas-particle flows in a cyclone chamber with axial and tangential inlers of different swirl numbers were studied by using a Phase-Doppler Particle Anemometer(PDPA).
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