sand plug的例句大全

The sliding sleeve for sand blast is connected with the packer body to prevent sand plug.

喷砂滑套与封隔器主体连成一体，减少了施工时的沉砂量，不易造成砂堵。

recent surveys show that the length of a sand plug to prevent flash -over is considerably greater than hitherto reckoned with .

最近的研究表明，用来防止殉爆的沙柱长度，远比目前所想像很大。

Sand plug always occurred during fracturing in slant well or directional well.

斜井或定向井在压裂过程中,经常因出现砂堵导致施工失败.

The pump consists of swirl nozzle, valve cover, plug assemble and sand scratcher.

该泵采用了旋转接头、螺旋阀罩、柱塞总成、刮砂器于一体的多功能防砂结构，具有排而不卡和漏失量小的特点。

dam, dam foundation of anti-plugging, excavation around the gushing water and basal sand chung grouting can be used to deal with.

坝体、坝基的防渗堵漏、基坑周边渗水和基底涌水涌沙都可采用注浆法处理。