圆头

cheese-head screw

平頂 圓頭螺釘

底圈(锅炉) cheek ring | 平顶 圆头螺钉 cheese-head screw | 室 chember

cup grease

润滑脂

cup grease 稠粘润滑油润滑油 | cup grease 润滑脂 | cup head bolt 圆头螺栓

Elastic braid with button hole

带钮扣眼的松紧带

dot button: 打点钮扣 | Elastic braid with button hole:带钮扣眼的松紧带 | Eye button hole:圆头钮扣孔

automatic extraction turbine

自动调节抽汽式汽轮机

automatic exposure programmed shutter 135 camera 装有自动曝光程序快门的135式照相机 | automatic extraction turbine 自动调节抽汽式汽轮机 | automatic eye sewing machine 自动锁圆头钮孔缝纫机

filament battery

灯丝电池

有槽圆头螺钉 FIL HD | 灯丝电池 filament battery | 灯丝轰击 filament bombardment

Iron stand nut

铁架螺母

118 圆头自攻螺丝 Self-tapping screw of button head | 119 铁架螺母 Iron stand nut | 120 垫片 Spacer

screw with straight-line knurls

直线滚花头螺钉

screw with round head 圆头螺钉 | screw with straight-line knurls 直线滚花头螺钉 | screw wrench 活动扳手

trunnion tip wagon

耳轴式自卸车

trunks 运动裤 | trunnion tip wagon 耳轴式自卸车 | truss head rivet 大圆头铆钉

snap switch

瞬时开关

snap head 圆头 | snap switch 瞬时开关 | social security expenditures 社会保险费用

snap lock WESTBANK

弹簧锁

snapped header WESTBANK 半顶砖 | snap lock WESTBANK 弹簧锁 | snaphead rivet WESTBANK 圆头铆钉

Greco-Latin square：希腊拉丁方格

Granduation of curve 曲线递合 | Greco-Latin square 希腊拉丁方格 | Grand lot 大批

cunningham：帆前角下拉索

斜拉器:kicking strap | 帆前角下拉索:cunningham | 调整索:outhaul