The mobile service structure does not provide complete protection when in place . 可移動的維護(hù)用結(jié)構(gòu)不能在該處提供很好的保護(hù)。
Specification for drilling and well servicing structures 鉆井和修井井架底座規(guī)范
The profit expression in the reformation of public service structure 公共服務(wù)體制改革中的利益表達(dá)
What are the five recommended subcommittees under the district vocational service structure 地區(qū)職業(yè)服務(wù)架構(gòu)下五個建議的小組委員會為何
Petroleum and natural gas industries - drilling and production equipment - drilling and well - servicing structures 石油和天然氣工業(yè).鉆井和生產(chǎn)設(shè)備.鉆井和井檢修結(jié)構(gòu)