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1
齿轮常用材料与热处理.pdf
机械工业出版社
张展
,
邵钰钫
,
曾建峰
齿
轮
淬
碳
渗
硬
氏
氮
退
炉
磨
20cr
裂
耐
溶
蚀
喷
透
含
液
预
载
轴
剂
介
控
孔
氧
墨
损
寸
尺
锻
测
盐
浴
焰
范
韧
40cr
珠
扩
析
滑
粒
焊
频
减
匀
塑
Year:
2013
Language:
chinese
File:
PDF, 41.92 MB
Your tags:
3.0
/
3.0
chinese, 2013
2
南非肉牛产业考察报告
中国牛业科学
邓蓉
wï
lg5
ç7
ß7
bç
ïá
úû
ýþ
ÿì
kdt
l34
twï
tï
vä
µd
ºóz
ßþ
äåi
æz
_4
evz
eæ
fghi
hm7ài
híu
ijk
mnmo
qø
sû
t:ä
tjkop
tß7
tæ
tð
tù
wxa
wöü
yÿ
ºt
àéj
äë
æsû
éü
êúûü
ïv
ðm
ò_
òh
øù
ùít
Year:
2019
File:
PDF, 1.02 MB
Your tags:
0
/
0
2019
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