查询词典 sand bar

The design key point of large draining sand submersible pump for mine is discussed,and the method of increase efficiency is introduced.

如何解决低水头径流式电站的防沙问题，防止发电进水口淤积，减少泥沙过机一直是水工建筑物检修的技术难点，通过对葛洲坝大江电厂排沙底孔上游检修门槽底坎区域冲坑成因的分析及处理方法的研究，希望能够对同类型水工建筑物检修提供借鉴。

Structural improvements in reducing the pump parts with sand contact, such as probability and the probability scaling has played a certain effect, but the pump body material at all times, everywhere in the wear and corrosion can not simply eliminate the problem.

结构的改进在减少输油泵部件与砂粒接触几率和结垢几率等方面起到了一定的效果，但是泵体材料无时不在、无处不在的磨损和腐蚀问题还不能根本消除。

A great deal of tests of highly concentrated sand transport using centrifugal pump were carried out at the Dredging Technology Laboratory, Delft University of Technology, The Netherlands.

在荷兰DELFT科技大学疏浚技术实验室进行了大量的离心泵高浓度泥砂输送实验。

Effects and from the active sand pumping operation in the pump barrel and plunger between the low friction coefficient high wear resistance and low suction resistance of view poor condition of the pump in the mine with long life.

合理的下井工艺在开发研制新结构抽油泵的同时，试行了两种下井工艺。

Anton Auer Engineering Technology Co., Ltd. ceramic upcoming special pumps, will greatly enhance plunger pump sand, anti-scaling, anti-wear, high temperature performance in several respects.

安东奥尔工程技术有限责任公司即将推出的陶瓷特殊泵，将会大大提高柱塞抽油泵防砂、防垢、抗磨、耐高温几方面的性能。

However, did you know that their own biggest predator is themselves? Over half of sand scorpions prey on scorpions and in many species the female consumes its mate, while in rare species the reverse is true.

但很少人却知道它们的最大敌人竟然是自己，超过一半的死亡雄性沙漠蝎子都是死于雌性配偶交配完成之后。

Small pallid fishes of shoal tropical waters of North and South America having eyes on stalks atop head; they burrow in sand to await prey.

美洲热带浅滩中苍白色的小鱼，眼睛长在头顶上；在沙里打洞伺机捕食。

The fish blow streams of water at the sand to expose hiding prey, then use their powerful jaws and rows of sharp teeth to crush through hard-shelled reef creatures such as sea urchins, clams, snails, and crabs.

它通过拍击溪流中的水沙揭露隐藏猎物，然后利用其强大的颌骨和尖锐的牙齿粉碎猎物，如海胆、蛤、蜗牛和螃蟹。

The fish blow streams of water at the sand to expose hiding prey, then use their powerful jaws and rows of sharp teeth to crush through hard-shelled reef creatures such as sea urchins, clams, snails, and crabs .

热带小丑鱼虽然身材不大，但却是精于捕猎的食肉鱼类，主要的捕猎目标包括：海胆、蛤蚌、海蜗牛、蟹等等，它会吹动水流冲走沙粒从而让猎物暴露，然后以它强力的嘴巴和尖利的牙齿捕猎食物。

The children were playing in the sand pit.

孩子们在沙坑中玩耍。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。