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very low nitrogen
 very low nitrogen
met. 极低氮
| steel
 "Steel"
mil. "钢"
 steel
gen. 钢铁
environ.
hydroel.st.
space 钢制的
tech. 钢制
textile 钢制品; 炼钢业
 steels
bridg.constr. 钢材

to phrases
very low nitrogen
met. 极低氮
very low nitrogen steel
: 8 phrases in 1 subject
Metallurgy8