freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

外文資料翻譯---汽車連桿加工工藝-汽車設(shè)計(編輯修改稿)

2025-06-26 04:46 本頁面
 

【文章內(nèi)容簡介】 ed together . In order to reduce wear and easy to repair , the big end hole is arranged in the connecting rod of the thinwall metal bush . Bearing steel in the bottom pouring , the inner surface of the bottom there is a layer of wearresistant Babbitt bearing metal . Hare a group of gasket between the connecting rod head and the connecting rod cap , wear can be used to pensate the bust . The smaii end of the connecting rod and piston pin connection . press in bronze bushing head hole , to reduce wear head hole and the piston pin , and is convenient for repair and replace ment of the wear . In the process of engine connecting rod by the expanding gas , alternating pressure and the effect of the inertia force , the connecting rod should have sufficient strength and rigidity , also should try to reduce their quality of connecting rod , In order to reduce the effect of the
點擊復(fù)制文檔內(nèi)容
畢業(yè)設(shè)計相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖片鄂ICP備17016276號-1