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侧钻井
 侧钻井
railw. side track
| 下水
 下水
anim.husb. offal; red offals; pluck; secondary offals
interntl.trade. launching; launch
met. downflow; sewage
navig. launch
| 泥塞
 泥塞
met. bot

to phrases
【矿】侧钻井 cèzuànjǐng
railw. side track
侧钻井: 18 phrases in 2 subjects
Drilling11
Oil / petroleum7