短语词组短语Encircling coils 环绕式线圈;环形线圈encircling cell 环绕细胞encircling duct 环形通道Encircling Mountain 围环山脉encircling forest 防护林encircling nets 旋网类;围网类encircling diffusion [物]环状扩散encircling band 环扎带encircling zone 周围地带 返回 encircling