中英
1
pack gravel中文是什么意思
- 中文翻譯
- 造句
- 充填礫石
- pack pack2 n. 1.包，捆；行李；馱子。 ...
- gravel n. 1.〔集合詞〕砂礫，礫石。 2.【地質(zhì)學；地理學】 ...
- gravel pack 礫石充填; 礫石過濾層; 填礫
- gravel-pack gravel 礫石充填用的礫石
- concentric string gravel pack 同心管柱礫石充填
- consolidated gravel pack 膠結(jié)礫石充填
- dual gravel pack 雙層礫石充填
- dump-type gravel pack 傾倒式礫石充填
- flow gravel pack 循環(huán)法礫石充填
- functional gravel pack 有效的礫石充填
- gravel pack clutch joint 礫石充填離合短節(jié)
- gravel pack completion 礫石充填完井
- gravel pack fluid 礫石充填液
- gravel pack interval 礫石充填層段
- gravel pack packer 礫石充填封隔器
- gravel pack perforated extension 礫石充填帶眼加長短節(jié)
- gravel pack pot 礫石罐
- gravel pack sand 礫石充填砂
- gravel pack sliding sleeve 礫石充填滑套
- gravel pack straddle tool 礫石充填對口皮碗工具
- gravel-pack assembly 礫石充填裝置
- gravel-pack logging tool 礫石充填測井儀
- hi-density gravel pack 高密度礫石充填
- holiday-free gravel pack 無空穴的礫石充填
- inside casing gravel pack 管內(nèi)礫石充填
- Designning well tube and drill - hole diameter in order to increase thickness of both annular packing gravel and water - resisting clay , nylon net packing around well tube filters , designing filter layer on the boundary between packing gravel and water - resisting clay and ramming the gravel by working the piston into the well after gravel packing completion and the filling clay for salt - water resisting etc . we succeeded in constructing 3 drinking - water wells in minqin county , proved the affectivity and feasibility of using it and giving a certain technical demonstration of construction of drinking - water well in the same similar to this area
通過孔徑與管徑的調(diào)配設計，增大環(huán)狀粒料層和止水粘土層的厚度；濾水管外包尼龍紗網(wǎng)；粒料與止水粘土接觸界面上設計反濾層；填粒后先行拉活塞利用水力夯實粒料層，再投粘土球止掉上部咸水等措施，在民勤縣三口人飲水井施工中取得顯著效果，證明了該套成井工藝的有效性和可行性，有望為同類地區(qū)人飲水井施工提供技術(shù)示范作用。
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