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Our country steel grade represents a means

From;  Author:Stand originally

Advanced (fine steel)

Tall

A

Great

End

Fancy

Special

E

Great

End

Riveting snail steel

Riveting snail

ML

Great

First

Anchor chain steel

Anchorage

M

Great

First

Mine uses steel

Mine

K

Great

End

Car crossbeam uses steel

Bridge

L

Great

End

Pressure vessel uses steel

Look

R

Great

End

Multilayer or high-pressured container uses steel

High level

Gc

The ordinary form of a Chinese numeral

End


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