GB/T 17744-2020石油天然气工业钻井和修井设备标准
英文:Petroleum and natural gas industries—Drilling and well servicing equipment GB/T 17744-2020介绍: 国家标准《石油天然气工业 钻井和修井设备》由T...
英文:Petroleum and natural gas industries—Drilling and well servicing equipment GB/T 17744-2020介绍: 国家标准《石油天然气工业 钻井和修井设备》由T...