Valve structure that is buried, extended stem structure, making it suitable for laying of underground pipes installed in places.
球阀埋地结构即，加长阀杆结构，使其适用于管线埋地铺设安装的场所。
A field investigation of corrosion status of buried pipeline and measurement of the soil parameters were conducted, accompanied with corrosion test piece laying and field sampling.
进行了现场腐蚀状况调研，对现场埋地管道的土壤腐蚀情况就地测量了相关参数，并进行了腐蚀试片埋设和现场取样工作。
The buried-pipe laying of steel natural gas line concerns entire urban gas supply system and the safety of people's lives and properties.
钢质天然气管道埋地敷设工程关系到整个城市供气系统和人民生命财产的安全。
In the paper, a technological economic analysis is made as well to compare the twisting thermal insulated direct-buried pipes with underground tunnel laying ones.
文中还对热缠绕直埋保温管与地沟敷设保温管做了技术经济分析。
Time capsules are sometimes created and buried with much hoopla during celebrations such as a World Fair, cornerstone laying for a building or other event.
“时间胶囊”有时是在喧闹的庆典上做好并深埋的，比如世界大事，就将其作为大厦基石或其它东西。
Time capsules are sometimes created and buried with much hoopla during celebrations such as a World Fair, cornerstone laying for a building or other event.
“时间胶囊”有时是在喧闹的庆典上做好并深埋的，比如世界大事，就将其作为大厦基石或其它东西。
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