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缓凝水泥
dril. slow setting cement
hydroel.st. retarded cement; slow cement; slow-taking cement; slowly taking cement
oil delayed setting cement
tech. self-retarding cement; slow hardening cement
缓凝水泥
tech. slow-set cement; slow-setting cement
缓凝水泥: 11 phrases in 4 subjects
Hydroelectric power stations2
Metallurgy1
Oil / petroleum3
Technology5