片语

sand-prevention engineering工程防沙

sand-prevention system防沙体系

sand-prevention tubing防砂管

sand-prevention barrier防砂煤柱

sand drift prevention and control防沙治沙

sand-prevention centralizing sucker rod pump防砂扶正桿式泵

sand-prevention pillar防砂煤柱

sand- prevention system防沙体系

英汉例句

• it has already become one of the best examples of chinese sand prevention and desert restoration projects.

  项目发展至今，俨然成为了中国防沙造田，荒漠修复最好的实例之一。

• the general-director of ningxia forestry bureau mr wangdeling presented the situation of technical experienments of sand prevention and control in ningxia .

  宁夏自治区林业局局长王德林向外宾介绍了宁夏防沙治沙的经验和宁夏防沙治沙大学的建设情况。

• therefore a new type of sand prevention and water plugging agent was studied in this paper. the new agent can prevent sand effectively, but also plug water with high selectivity.

  研究将防砂堵水工艺合二为一的新型防砂堵水剂，既能有效防砂，又有选择性堵水效果。

• the engineering sand prevention system along the highway of crossing kubuqi desert was damaged seriously.

  库布齐沙漠穿沙公路两侧现有工程防沙体系破损情况日趋严重。

• through optimizing output and productivity, reasonable sand production exploitation decides optimal production measure between sand prevention and sand production.

  适度出砂是通过优化产量和油井的产能在防砂生产和出砂生产之间确定最优的生产策略。

• sand prevention system of high permeable silicate is a new kind of chemical sand prevention technique put forward to solve sanding problems caused by casing deformation wells during production.

  高渗透硅酸盐水泥防砂体系是为了解决套变井在生产过程中的出砂问题，根据微细水泥水化及其水化物的特点提出的一种适用于套变井的新型化学防砂技术。

• a novel resin for in-situ sand curing is developed through indoors experiment to solve problems exist in the sand prevention of heavy oil well, such as high cost and severe formation damage.

  针对目前稠油井防砂存在的成本高、对地层损害严重等问题，通过室内实验研究出了一种新型树脂就地固砂技术。

• they came to ningxia(china)for the 21-day-long international technical training course of sand prevention and control.

  目前他们正在宁夏参加为期21天的阿拉伯国家防沙治沙技术国际培训班。

• sand filter tubes are mostly used as major tools for horizontal well sand prevention in bamianhe oilfield.

  八面河油田水平井防砂大多以滤砂管防砂为主要方式；