concave
短語詞組
- concave grating 凹面光柵
- concave slide [光]凹玻片;凹槽載片
- concave refractor 上凹折射層
- concave domain 凹型區(qū)域
- concave share 凹形犁鏵
- concave frame 凹板骨架
- geosynclinal concave 地槽凹
- concave cam [機]凹形凸輪
- concave transition 壁面凹過渡
- concave mirror n . 凹透鏡
- concave surface 凹面，內(nèi)弧面
- concave lens 凹透鏡；近視鏡片
- concave bank 凹河岸；沖刷河岸 返回 concave