While underbalance drilling spreads greatly, rotating blowout preventer, as a kind of high technical product, is the crucial equipment to control well pressure.
国内欠平衡钻井普遍实
,
到的旋转防喷器是关键设备,技术含量高。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
The understanding that germs — primarily bacteria, viruses, fungi, and protozoa — are responsible for the spread of many diseases led to a massive acceleration in researchers identifying specific disease causes, preventers, and treatments.
——
、病毒、真和原生动物——许多疾病传播的原因，这一认识大大加快了研究人员识别特定疾病的病因、预防方法和治疗方法的速度。
流阀前安装一个过滤器，防止由于止
导致这种阀门在再增压期间产生泄漏或溢出。
