壳口
ké kǒu
- 名aperture
壳口-
孔缘腹足纲的软体动物的贝壳的壳口外缘形成或割成干贝状就象贝壳外表的边缘。
The outer margin of the opening of a gastropod shell . shape or cut in scallops , as of the edge of a garment .
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活动端用扣具与狗项圈相连的狗链通过线轮壳口与线轮相连并卷绕起来；
The dog chain , the movable end of which is connected with a dog ring by a fastener is connected with the line wheel by a line wheel casing mouth and wound .