j8j10 发表于 2008-9-26 21:52:32

机电工程英语

机电工程英语
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PART ONE
Lesson 1 Machine Parts (I)
1.1 Text
Gears
Gears are direct contact bodies，operating in pairs，that transmit motion and force from one
rotating shaft to another, or from a shaft to a slide (rack)，by means of successively engaging
projections called teeth．
Tooth profiles. The contacting surfaces of gear teeth must be aligned in such a way that the
drive is positive；i.e., the load transmitted must not depend on frictional contact．As shown in the
treatment of direct contact bodies，this requires that the common normal to the surfaces not to
pass through the pivotal axis of either the driver or the follower.

在大学里应该叫科技英语

sunyl33 发表于 2008-10-1 10:29:04

Oh      yeah

blairnovo 发表于 2008-10-13 03:29:41

这个好奇哦专业的英语

guanbin1816 发表于 2008-10-13 07:46:51

:handshake :handshake :handshake
:lol :lol :lol

xtchukd 发表于 2008-11-2 13:09:26

来学习下英语,,谢谢楼主分享

yhbfd 发表于 2009-2-13 21:40:18

学习学习,谢谢

shui 发表于 2009-3-8 22:54:29

谢谢楼主分享

jy02340611 发表于 2009-3-19 09:56:46

谢谢
先下了看看:loveliness:

xiaohuaren 发表于 2009-5-25 11:20:51

上次找这个着了好久，想不到在这里找到了，真是太感谢了，谢谢！:lol

tsang1 发表于 2009-5-25 11:24:54

學習學習~~
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