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钎剂 qiān jì
gen. flux
construct. soldering flux
railw. brazing
tech. soldering acid
chem. brazing flux
auto. brazing flux
粉状钎剂 qiān jì
tech. soldering powder
钎 剂
: 24 phrases in 5 subjects
Automobiles4
Chemistry1
Metallurgy7
Rail transport3
Technology9