词汇	downhole equipment
释义	downhole equipment 钻孔配件
随便看	public reasoning public receipt public receiving station public reclaim system public-safety frequency bands public safety information subsystem public safety institution public recognition public recognition and involvement Public Recommendation and Competitive Position public record public-record public record act public recorded information service public record office public records public-records Public recreational space public recreation centers public recreation ground Public recruitment public redistribution of development benefit Public region of outpatient service public register public regularization