平挡圈：end washer,loose rib
平导轨：flat slideway
平底池：flat bottomed tank
平底轨：flat-bottom rail
平底靴：moccasin
平垫阀：flat washer
平垫圈：flat gasket ,flat washer；plain washer,plain ring
平吊碹：flat suspended main crown
平调版：flat tint plate
平顶钉：hobnail
平顶峰：flat peak
平顶盖：flat deck roof
平顶型：flat-hand type
平顶堰：flat topped weir
平发送：flat transmission
平翻领：flat collar
平凡图：trivial graph
平方尺：super-ficial foot(abbr,S.F.)
平方米：square meter
平房区：cottage area
平复励：flat compounding,flat-compound excitation,level compounding
平钢带：flat strip steel
平跟鞋：flattie;flatty
平拱桥：flatted arch bridge
平勾缝：hick joint
平管口：plain end
平光剂：flatting agent(of coating)
平衡池：counter balance cell,equalizer
平衡的：balanced,surgeless
平衡杆：balance bar,poise
平衡罐：balance tank
平衡嵴：crista statica
平衡扣：balance catch
平衡捻：balanced twist
平衡台：balancer,balancing table
平衡套：throttling sleeve;balancing sleeve
平衡筒：surge drum
平衡物：counter poise
平衡制：balanced system
平衡绉：balanced crepe
平衡柱：arm shaft counterbalance
平滑的：smooth
平滑辊：flat roll
平滑解：smoothing solution
平滑栎：Tirleu oak
平滑流：smooth flow
平滑线：smoothing line
平环链：sprocket chain; flat link chain
平黄道：mean ecliptic
平脊瓦：under-ridge tile