英文關鍵字
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coldrolled
cycle
element
factory
finished
fusion
handling
highquality
hotrolled
independent
industrial
industry
long
machines
manufacture
manufacturing
metal
metalroll
parts
pipes
process
processing
produced
product
production
products
profiled
rolled
rolling
seamless
stainless
steel
strip
structures
technology
treatment
used
ways
work
working