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- return sand ratio 返砂比
- The test results show that the drawing interval of 1.5 m is helpful for controlling dead-unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top-coal. 试验结果表明,放煤步距采用三采一放有利于控制顶板极松散细砂岩,降低放出顶煤的含砂率。
- The factors which affect early age cracking were studied such as curing methods,workability,sand ratio and modulus of sand. 探讨了养护条件、混凝土工作性能、砂率以及砂的细度模数等因素对混凝土早期开裂的影响,并提出了减少、避免开裂的相应措施。
- In seed makings, minute of according to degree of emerald quality, cuticular degree of finish seed that it is water, earth seed and water seed return sand 3 kinds. 在籽料之中,根据翡翠质量、表皮的粗细程度而分为水籽、土籽和水籽返沙三种。
- Therefore, the optimization of the cement sand ratio of the filling body of Anqing Copper Mine is a very complex problem of nonlinear combined optimization. 因此,安庆铜矿充填体灰砂比的优化是一个十分复杂的非线性组合优化问题。
- Technique of rough concrete surface and return sand 混凝土表面麻面及返砂处理技术
- Research on sand ratio of modified asphalt mixture 对改性沥青混合料中砂率的研究
- To reduce the filling cost,various cement sand ratios are used at different heights for the tailings consolidated filling body in Anqing Copper Mine. 为了降低充填成本,安庆铜矿尾砂胶结充填体在不同的高度采用了不同的灰砂比。
- Keywords sand ratio;displacement;pulse;sensor;densimeter; 砂比;排量;脉冲;传感器;密度计;
- 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。
- I buy him a drink in return for his help. 我请他喝酒以酬谢他的帮助。
- We look forward to the return of spring. 我们期待着春天的到来。
- He avowed that he would never return. 他声明他决不回来了。
- 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。
- He makes a return and go back to the hotel. 他掉转车头,驶回饭店。
- The sun blazed down on the sand. 阳光强烈地晒在沙滩上。
- He might think it polite to return the visit. 他可能认为回访比较合乎礼仪。