查询词典 concave mirror

concave downward：凹向下的

concave 凹 | concave downward 凹向下的 | concave polygon 凹多边形

concave downward：下凹

concave-convexlens 凹凸镜 凹凸透镜 | concave-downward 下凹 | concave-settinglever 凹板间隙调节杆

concave downward：凹向下的Btu中国学习动力网

concave 凹Btu中国学习动力网 | concave downward 凹向下的Btu中国学习动力网 | concave polygon 凹多边形Btu中国学习动力网

Concave plane：内圆线刨

concave optical tool 光学玻璃凹面磨具 | concave plane 内圆线刨 | concave reflector 凹面反射器

Concave plane：凹底刨 Concave saw 凹面(圆)锯

Coating surface impact instrument漆膜表面冲击仪 | Concave plane 凹底刨 Concave saw 凹面(圆)锯 | Conveyor输送机

concave round plane：凹底圆刨

concave roller | 凹面手压辊 | concave round plane | 凹底圆刨 | concave saw | 凹面锯, 蝶式圆锯

concave gratings：凹光栅

concave grating 凹面光栅 | concave gratings 凹光栅 | concave holographic grating 凹全像光栅

concave rim wheel：槽缘轮

concave ridging body ==> 短凹面起垄犁体 | concave rim wheel ==> 槽缘轮 | concave roll ==> 凹面辊,凹面轧辊

cylindrical concave lens：柱面凹透镜

cyclotron 回旋加速器 | cylindrical concave lens 柱面凹透镜 | cylindrical concave mirror 柱面凹镜

组合镜头 concave lens 凹透镜：compound lens

composition 构图 | compound lens 组合镜头 concave lens 凹透镜 | concave mirror 凹形反光镜

at end of the period：现金等值

期终之现金及 Cash and cash equivalents | 现金等值 at end of the period 175,863 56,036 | 现金及现金等值 Analysis of the balances of cash and

hemoglobinometer：血红素计

hemoglutination 血凝集<作用> | hemoglobinometer 血红素计 | hemoerythrin 血赤藓素