加强板

double date───两对男女一起的约会

double flat───双平坦型；双经/纬（生丝疵点）；重降号

double flats───双平坦型；双经/纬（生丝疵点）；重降号

double play───双杀

double plays───双杀

doubled date───两对男女一起的约会

doubles date───两对男女一起的约会

ultimate strength of doubler plate is studied.───研究了加强版的极限强度。

The ultimate strength of doubler plate reinforced Y-joints subjected to tension loading in studied.───研究了鞍型板加强的Y型管节点在轴向拉力的作用下的极限强度。

Compressive behavior analysis of doubler plate reinforced tubular T-joints by finite element method───垫板加强T型圆管节点受压性能的有限元分析

The ultimate strength of doubler plate reinforced Y-joints subjected to tension loading in studied.

• doubler circuit
• doubler plate