蹦蹬的小兔子
法兰面螺栓 bolt for flange face钢结构螺栓 bolt for steel structure扭剪螺栓 torque bolt双头螺栓 stud bolt组合螺钉 assembled bolt电子螺丝 electronic screw紧定螺丝 tightening screw塞打螺丝 stuff screw自攻钉 self-tapping screw自锁螺钉 self-locking bolt焊钉 welded pin墙板钉wallboard nail 拉铆钉rivet 全牙丝杆 full-thread rod化学膨胀螺栓 chemical expansion bolt铆螺母 rivet nut金属自锁螺母 metal self-lock nut法兰螺母flange nut 槽螺母 slotted nut盖形螺母 cap nut平垫 plain（flat） washer弹簧垫圈spring washer 1、白锌 white zinc2、灰磷 grey phosphorus 3、黑磷 black phosphorus4、镀铬chromeplate 5、电泳黑electrophoresis black 6、机械镀锌mechanical zinking 7、热浸镀锌hot dip galvanizing
小小小黄鱼
1, castors 16, pegs2, pedal 17, iron3, Chin-pin 18, top cover4, under the door frame 19, board pegs5, the next door 20, pressure string section6, piano leg 21, wiry pillow7, the disk 22, sound board8, under the lock block 23, ribs9, 24 white keys, back rack10, 25 black keys, strings11, the former key cover 26 string code12, after the key cap 27, side13, Struck String machine 28, pedal shaft bracket14, Hammer 29, bottom15, door 30, audio frame
叶伟2050
blind nail暗钉brad nail角钉, 无头钉, 曲头钉bullen nail阔头钉calking nail填隙钉, 凿密钉caulking nail填隙钉, 凿密钉chaplet nail型芯撑钉chinch nail抱钉clasp nail扒钉clasp-headed nail钩头钉composition nail(铜锌合金)屋面板钉cone-head(ed) nail圆锥头钉convex-head steel wire nail凸头钢线钉cooler nail冷却器钉cut nail切制钉dog nail道钉double-headed nail双头钉draw nail起模钉flat chequered head steel wire nail方格头顶钢线钉flat smooth head steel wire nail平头顶钢线钉halfround head nail半圆头钉hand-made nail手制钉headless nail无头钉hog nail猪爪hooked nail曲钉hook foundry nail型箱用钩头钉joist nail搁栅钉large-headed nail大头钉lead nail铅皮钉lock seal steel wire roofing nail锁封房顶钢线钉masonry nail砖石钉mo(u)ld nail型钉pilot nail安装钉rag nail棘钉.棘螺栓rose nail圆花钉round flat-headed nail圆平头钉screw nail螺钉secret nail暗钉, 隐钉spike nail长折钉, 小钉, 道钉spring draw nail弹簧起模钉stamped nail压制钉steel wire lath nail钢丝板条钉stub nail短粗钉tenpenny nail三英寸大钉toe(d) nail斜钉twopenny nail一英寸号钉welt nail登山靴三齿钉wire nail线钉, 圆铁钉wrought nail锻钉
