An engineer's view of world languages. (°_°)

来源: 京燕花园 于 2013-07-13 07:13:47 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (141 bytes)
回答: 轴心 axis 軸線 differs from axle 軸 由 走马读人 于 2013-07-13 06:55:08

When I was in college, we used to learn mechanical drewings，then went to the factory to see machines being operated.

Have a good weekend.

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• We visited factories, a village, 榮寶齋 and shows,etc. -走马读人- ♂ 给 走马读人 发送悄悄话 走马读人 的博客首页 (28 bytes) () 07/13/2013 postreply 07:46:18

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