double contour sign 廓征象 ; 双边征
double contour heart shadow 双重心影
double contour cardiac shadow sign 双边心影征
double-spindle contour copying milling machine 双轴平面仿形铣床
double-peak contour 双峰分布图 ; 双峰分布
contour en pic double 双峰分布图
Double contour of the end plates.
终板呈双重轮廓征。
Design contour curves of the stator transition zone is a technical key-problem for the design of double-acting vane pump of high-performance.
定子过渡曲线的设计是高性能双作用叶片泵设计的技术关键。
This novel contour curve of the stator transition zone can be made to adjust many parameters. and satisfy the full requirements of double-acting vane pumps of high-performance.
这种新型定子过渡曲线可对多个参数进行调查，能最大限度地满足高性能叶片泵的要求。
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