Fundraising September 15, 2024 – October 1, 2024
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1
线路上部建筑
人民铁道出版社
西北铁路工程局编写
x15
p44.6
p38
steel
x150
p50
eect
150x
150x15
carnegie
illinois
brr
cence
rra
tte
wks
cere
maryland
20’25
30a
aral
barrow
co.south
creer
krupp
openhearth
p33
p43
rea
reece
rrr
tennessee
Year:
1964
Language:
chinese
File:
PDF, 9.80 MB
Your tags:
0
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0
chinese, 1964
2
Scientific methods to tempering steel; compounds for welding and restoring burnt steel, compounds for hardening steel, case hardening, hardening solutions for chills, for ball bearings, compound for welding copper
Everitt
,
W. E.
tools
steel
tempering
harden
hardening
linseed
welding
angle
flange
knives
width
chisels
salt
solution
cutting
borax
carbonate
speed
circumference
potash
drills
springs
temperature
annealing
bits
boring
butcher
chilled
cutter
cutters
cyanide
degrees
drill
fahrenheit
norway
planer
plunge
poison
repeat
sprinkle
temper
twice
usual
ammonia
augers
bath
bearings
bessemer
burnt
chemical
Language:
english
File:
PDF, 565 KB
Your tags:
0
/
5.0
english
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