1) step sand control
分级控砂
1.
Research and application of the optimization of horizontal well step sand control technology
水平井分级控砂工艺优化研究与应用
2) multi-grades controlling of formation and distribution on sandbodies
多级控砂
3) classified tailings
分级尾砂
1.
HTG-45 ceramic filter was selected as the dewatering equipment for classified tailings, and the industrial experiments show that the capacity of HTG-45 and the moisture of the treated tailings can meet the need of the backfilling system,and the energy consumption is only 25.
采用国产的BST-6及HTG-1陶瓷过滤机对凡口铅锌矿的分级尾砂进行了过滤试验,通过对比,选定了HTG-45作为分级尾砂的过滤设备。
2.
In this paper,the setting property of cement-classified tailings backfill slurry has been tested,according to test parameters,the trend curve of setting property under all kinds of conditions,the change laws of settling property with consistency and mix proportion have been analyzed.
文中对矿山水泥-分级尾砂充填料浆进行沉降测试,根据测得的试验参数,得到各种情况下沉降参量的变化趋势线,分析了沉降参量随浓度、配比的变化规律。
4) sand sieve grading
砂筛分级
5) grading abrasive wheels
砂轮分级
6) quartz sand classification
石英砂分级
补充资料：控脑砂
控脑砂
控脑砂 病名。 ①指鼻渊。《医宗金鉴》卷六十五：“……鼻中淋沥腥秽血水……即名控脑砂。” ②鼻渊兼头痛。《外科大成》卷三：“鼻渊而兼脑痛者，名控脑砂。”参见鼻渊条。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条