凹部直径：recess diameter
凹槽侧板：notch board
凹槽雕刻：recessed carving
凹槽灰缝：recessed joint
凹槽接缝：rustic joint
凹槽接合：fillistered joint
凹槽连接：dado joint
凹槽平缝：flat-joint jointed
凹槽深度：depth of recess
凹槽台阶：recess
凹槽套筒：recessed sleeve
凹槽脱模：ejection by undercuts
凹槽载片：concave slide
凹点塑料：pits
凹雕装饰：diaglyphic ornament
凹顶活塞：concave head piston cavity piston
凹度系数：concavity factor
凹痕效应：dimple effect
凹角焊缝：concave fillet weld
凹进墙架：recessed ledge
凹刻针头：indentor point
凹口法兰：recessed flange
凹口试竿：notched
凹面法兰：female flange
凹面滚子：concave roller,hour-glass roller
凹面焊缝：inverted weld
凹面凸轮：concave cam
凹面涂布：gravure coating
凹面屋顶：inverted roof
凹面印花：relief printing
凹面印刷：valley printing
凹模铣刀：diesinking mill
凹切蚀刻：undercut etch
凹入舱壁：recessed bulkhead
凹式剪花：recess shearing
凹头螺钉：socket-head screw
凹头螺栓：eye bolt
凹头螺丝：socket screw
凹凸点粒：lump and pit
凹凸珐琅：champleve,raised style enamel
凹凸花纹：abbatre,sculptured pattern,grooved pattern,ridge design
凹凸接缝：pique seam
凹凸起泡：bubbling
凹凸砌合：out and in bond
凹凸提花：links-jacquard
凹凸筒子：bulging cone,ridgy cone
凹凸织物：pique,links-links fabric,piqu'e
凹纹雕刻：intaglio
凹形垫片：concave washer
凹形刻纹：indent