The temperature difference of welding zone can be decreased with small dipping angle, high dipping speed and low heat exchange coefficient of dipping Zn liquid.

降低浸镀锌液的换热系数，采用小角度快速浸入可以降低焊缝区域温差。

youdao

Based on the site observation data of Hengmen Channel, it advances an analysis to the wave action induced by a high-speed catamaran to dike and the maximum wave pressure coefficient.

根据横门水道现场观测资料，分析了双体快速船船行波对堤岸的作用和最大波压强系数分布。

youdao

Seedling grew fast in orchard, having strong resistance, but the low survival rate of field cutting, propagation coefficient is not high, limiting the speed of its promotion.

建立园圃其实生苗生长迅速，抗逆性强，但大田扦插育苗成活率低，繁殖系数不高，限制了其推广速度。

youdao