1) selvedge opener;selvedge spreader
扩边器
2) expansion edge
扩边
1.
Preliminary study on the influence of the expansion edge on biodiversity of moso bamboo forest in Jinggang Mountain
井冈山毛竹林扩边对生物多样性的影响初探
3) fault extension
断裂扩边
4) edge-diffusion
边缘扩散
5) Continuity out-laying
连片扩边
6) boundary expansion
边界扩展
1.
Triangular grid structure in reverse seeking engineering based on boundary expansion;
反求工程中基于边界扩展的三角网格构造
补充资料：扩声器
1.见"扩音器"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条