郊外
发表于 2025-3-25 06:32:04
7楼
APRON
发表于 2025-3-25 11:25:08
7楼
Binge-Drinking
发表于 2025-3-25 14:50:27
7楼
SHOCK
发表于 2025-3-25 18:29:23
7楼
conscience
发表于 2025-3-25 22:08:19
8楼
colony
发表于 2025-3-26 04:06:26
8楼
Adulterate
发表于 2025-3-26 05:15:41
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monologue
发表于 2025-3-26 09:12:35
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demote
发表于 2025-3-26 14:48:43
Clarification for Essential Features of Scraped Slideway by Step-Land Bearing Model: Conversion of Skilled Craft to Industrial Technology, scraping is one of the evidences to display the superiority of the mature skills derived from endowments of human being as compared with the utmost advanced industrial technology. It is thus very interesting to unveil the essential features of scraping by modelling it with the two-dimensional step-land thrust bearing.
exercise
发表于 2025-3-26 19:59:09
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