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- As matrix granular made of corundum sand owns smooth surface and oil wettability angle smaller than critical value, the micro-hole screen pipe will resist high temperature, strong acid,. 微孔筛管由于选用刚玉砂作为制作的基质颗粒,其颗粒表面光滑且对原油润湿角小于临界值。
- No bake phosphate mixture,composed of the binder,high chromite corundum sand and fused magnesia powder,has good room and high temperature strength,moderate retained strength and low hydroscopicity. 合成了高中和度复合铝磷酸盐粘结剂,用它与高铬刚玉砂、电熔镁砂粉配制的磷酸盐自硬砂,具有较好的常温强度、高温强度,适中的残留强度和低吸湿性。
- 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。
- 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。
- 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。
- The river has scour out a passage in the sand. 这条河在沙土中冲出一条水道。
- The boat grounded on a sand bank. 船只搁浅在沙洲上。
- The kid dug a tunnel in the sand. 小孩在沙堆里挖了一个地道。
- It fell onto the wet sand, then sank (in). 那个东西掉在潮湿的沙子上，然後沉了下去。
- The bond that binds the smugglers together is a rope of sand. 把走私犯联接起来的是条沙做的绳子，一碰就碎。
- Sand and leaves trapped the water in the stream. 沙子和树叶堵住了小河的水流。
- The young man has plenty of sand in him. 这个年轻人有足够的勇气。
- He was really just ploughing the sand. 他不过是在白费力气。
- A grain of sand made my right eye tear. 一粒沙子弄得我右眼淌泪。
- A purple variety of corundum used as a gemstone. 紫蓝色宝石一种紫色刚玉，用作宝石
- The bottom layer is a mixture of sand and clay. 最下面的一层是沙和泥的混合物。
- The river had scoured out a passage in the sand. 这条河在沙土中冲出一条水道。
