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

din-267-6-緊固件-產(chǎn)品等級(jí)f-全文預(yù)覽

  

【正文】 teners緊固件Product grade F產(chǎn)品等級(jí)FDIN267Part 6第6部分Mechanische Verbindungselemente。genauigkeit f252。Product grade F generally refers to the quality of products for which stringent requirements are made with respect to tolerances (. in precision mechanics).產(chǎn)品等級(jí)F泛指根據(jù)產(chǎn)品質(zhì)量所制定的嚴(yán)格公差要求(如在精確的技工中)。 Slots 插槽Table 2表2Slot width, n插槽寬度,nNominal value公稱值Tolerance公差C11≥ C12≥C136 Head heights6 螺頭高度 Head diameters 螺頭直徑Table 3表3Thread diameter螺紋直徑Tolerance on D 直徑公差Slotted cheese head screws開(kāi)槽圓柱頭螺釘Cross recessed pan head screws十字槽盤頭螺釘≥1
點(diǎn)擊復(fù)制文檔內(nèi)容
環(huán)評(píng)公示相關(guān)推薦
文庫(kù)吧 www.dybbs8.com
備案圖鄂ICP備17016276號(hào)-1