低碳高硫易切削钢
low carbon-high sulfur free cutting steel
高硫易切削钢
High-sulfur Free Cutting Steel
含铅易切削钢
containing lead free-cutting steel
lead treated steel
35MnVS易切削钢
Free Cutting Steel 35MnVS
9SMn28易切削钢
9SMn28 free-cutting steel
Y45S20易切削钢
Y45S20 Free Cutting Steel
非调质易切削钢
Non-quenching-and-tempering free-cutting steel
non-quenched-tempered free-machining steel
加铅易切削钢
ledloy free cutting steel
易切削钢
free-cutting steel
easy-cutting steel
free-machining steel
free cutting steel
Resulphurized free-cutting steel
automatic(al) steel
automatic steel
易切削钢SUM24HSL
Free-Cutting Steel SUM24HSL
高含硫含油污水
oily wastewater containing high sulfide
含硫易车钢
sulphuric free cutting steel
6020易切削合金
6020free-cutting aluminum alloy