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桥堵
dril. bridge; bridge blinding; bridge over
mining. bridging
oil bridging off
桥堵
dril. bridging
桥【砂】堵
dril. bridge
桥堵两堵塞间有空穴
dril. bridging
桥 堵: 17 phrases in 3 subjects
Drilling4
Oil / petroleum12
Technology1