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ejector air pump
chem. 喷射泵; 喷射器
dril. 空气喷射泵
ecol. 射气泵
el. 射水抽气泵
oil 喷射抽气泵; 喷射空气泵
tech. 打气泵; 气流式喷射泵; 喷气式水; 喷气式空气泵; 喷射式水泵
ejector air pump: 3 phrases in 2 subjects
Nautical1
Technology2