An experimental research on the performance of a small flow vortex tube is introduced.
本文用实验方法研究了小流量涡流管制冷的特性。
Seismic performance experimental research on I-shaped short pier shear wall is done first.
首次进行了带钢筋暗支撑一字形截面短肢剪力墙抗震性能试验研究。
Seismic performance experimental research on I-shaped short pier shear wall is done first.
首次进行了带钢筋暗支撑一字形截面短肢剪力墙抗震性能试验研究。
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