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绳芯 shéngxīn
dril. cable core
tech. center of a rope; core; core of a rope; rope heart
绳芯: 105 phrases in 17 subjects
Automobiles1
Bridge construction1
Construction1
Drilling10
Earth sciences2
Electronics1
Engineering geology4
General1
Hydroelectric power stations2
Mechanics2
Metallurgy26
Mining1
Oil / petroleum5
Polymers1
Steel production1
Technology44
Textile industry2