Powder metallurgy gears include: bevel gear, dual-gear, gear box gears, planetary gears, ring gear, rack, sector gears, bevel gears, spur gears, sun gear, helical gear, gear shaft, flat gears, spur gears, double layer gear, synchronous pulley, helical gear, sprocket, ratchet, multi-gears, micro-gear, small modulus gear, special gear, differential bevel gear, reducer gears, variable speed gear motor, all kinds of precision gears.

粉末冶金齒輪包括：傘齒輪黑人跟日韩少妇性交aaa免费视频网直播、雙聯(lián)齒輪自慰喷水网站入口、齒輪箱齒輪国产激情Va在线播一放、行星齒輪99re99精品精品免费、齒圈亚洲日韩欧美一区二区、齒條黄色视频免费网站免费、扇形齒輪、錐齒輪、直齒輪免费的乱婬视频播放网站、太陽齒輪自拍偷拍无码视频、斜齒輪、齒軸国产精品对白一区二区三区、平齒輪成人黄色视频网站、正齒輪、雙層齒輪A黄片免费、同步輪天天干欧美性爱皇冠、皮帶輪、螺旋齒輪日韩经典自拍电影院在线观看、鏈輪日韩精品女邻居在线观看视频网站、棘輪、多層齒輪黄色网站一级视频、微型齒輪日韩精品合集第一页在线观看、小模數(shù)齒輪、異形齒輪黄色毛片黄大全、差速傘齒輪35导航黄片、減速機齒輪、變速電機齒輪久久久久久免费免费理论、各類精密傳動齒輪在线天堂中文黄色。

The main body mechanism includes casing, screwed cover plate, upper lifting hook, non-return gear set and chain wheel set inside the casing, and cable clamping board assembly to avoid outer separation of the chain. The ratchet spanner mechanism has ratchet handle assembly fitted to the gear shaft, and the ratchet handle component of the mechanism is patched with gear shaft.

主體機構(gòu)包括主體外殼和螺接在主體外殼下部的主體蓋板，上吊鉤配接在主體外殼上部欧美一区区三区视频；主體外殼內(nèi)置防逆轉(zhuǎn)的齒輪傳動裝置和鏈輪傳動裝置先锋影音每日资源色先锋，兩吊鉤的開口部位裝有防止鏈條外脫的卡索板組件；棘輪扳手機構(gòu)中的棘輪手柄組件配接齒輪軸yinyuan国产精品。

A new-type bike features that its pedal crank has an arc rack bar acting on the ratchet gear in single direction and in turn driving the drive chain wheel, a reset unit composed of crank mechanism is used to make left and right pedal cranks be pedaled alternatively, and its front movable saddle plate is connected via connecting rod to pedal crank for making rider comfortable. Its advantages are high drive performance and efficiency and saving labour.

一種新式自行車黄色视频在线免费亚洲，其最大特點是蹬踏桿上含有一弧形齒條，由該弧形齒條上的輪齒作用于具有單向離合的棘齒輪最好看的免费观看视频97，從而帶動主動鏈輪轉(zhuǎn)動在线观看h一区，由曲柄機構(gòu)組成的復(fù)位器使左右蹬踏桿能夠交替連續(xù)踩踏以驅(qū)動自行車行駛，前活動座板與蹬踏桿由連桿相連結(jié)在线视频A片，從而實現(xiàn)同步擺動給以乘騎者踩踏感到舒適国产妇女黄色网站，該發(fā)明具有傳動性能好，效率高日日草黄片免费看，力損耗小等優(yōu)點黃色视頻的网址。

friction ratchet wheel：摩擦棘輪

friction ratchet gear 摩擦棘輪 | friction ratchet wheel 摩擦棘輪 | friction ration 滾筒速比

ratchet screw jack：棘輪螺旋起重器

ratchet reversing gear ==> 棘輪回動裝置 | ratchet screw jack ==> 棘輪螺旋起重器 | ratchet screwdriver ==> 棘輪旋鑿

ratchet =ratch ratchet-type wicker thread mechanism：棘齒型搭扣機構(gòu)

ratchet wrench 棘輪扳手 | ratchet =ratch ratchet-type wicker thread mechanism 棘齒型搭扣機構(gòu) | ratchet-wheel gear 棘輪裝置