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service pump
dril. 辅助泵; 备用泵
earth.sc. 辅助〔备用〕泵
nautic., tech. 值班泵; 日用泵通用泵,杂用泵
tech. 值勤泵; 杂用泵; 日用; 伺服泵; 常用泵
service pump
: 30 phrases in 11 subjects
Automobiles1
Chemistry1
Compressors1
Electric machinery1
Electronics2
General1
Mechanics1
Nautical2
Nuclear and fusion power1
Shipbuilding3
Technology16