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cement injection
bridg.constr. 水泥灌注
dril. 注水泥
hydroel.st. 水泥灌浆
oil 注水泥浆
tech. 压力灌射水泥浆; 灌水泥浆; 水泥注浆; 水泥喷浆
cement injection: 4 phrases in 1 subject
Technology4