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- This paper put forward that some methods to monitor wellbore cleaning degree, such as standpipe pressure parameters, drain sand pipe pressure parameters. 本文提出了根据立压参数、排砂管线压力参数等监测井眼净化程度的方法。
- In order to avoid the unfavoured factors of sand control and draining sand for oil recovery,the method of finite draining sand for oil recovery in viscous crude is proposed in this paper. 为了避免防砂与排砂采油的不利因素,充分利用二者的有利因素,在现场试验和理论分析的基础上,提出了“稠油有限排砂采油”开采方式。
- Design of large draining sand submersible pump for mine 大型矿用排沙潜水泵的设计
- That maths exam I took was a regular brain drain. 绞尽脑汁的数学测验，我真是绞尽了脑汁。
- Ouch! The sand is so hot! I can burn my feet. 哎哟！沙子这么烫！会烫伤脚的。
- The sand blew into the food and made it gritty. 砂吹进食物中，里边尽是砂子。
- The children were playing in the sand pit. 孩子们在沙坑中玩耍。
- It seemed that his life was draining off. 他的生命似乎在枯竭。
- The tractor has make deep furrow in the loose sand. 曳引机在松软的沙土上留下了深深的车辙。
- They were busy trenching the fields for draining. 他们忙着在田里开沟排水。
- It seemed that his life was draining away. 他的生命似乎在枯竭。
- The sun blazed down on the sand. 阳光强烈地晒在沙滩上。
- His company was built on the sand. 他的公司根基不稳固。
- Pull (out) the plug and let the water drain away. 拔掉塞子，把水放掉。
- They are digging trenches to drain the water off. 他们正在掘沟排水。
- The river has scour out a passage in the sand. 这条河在沙土中冲出一条水道。
- They are digging trenches to drain the water away. 他们正在掘沟排水。
- The boat grounded on a sand bank. 船只搁浅在沙洲上。
- The coffee grains plugged up the kitchen drain. 咖啡渣堵塞了厨房的排水道。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
