encrustation
英 [ˌenkrʌˈsteɪʃn]
美 [ˌenkrʌˈsteɪʃn]
n. (长时间形成的)外皮，外壳，沉积物
BNC.40423 / COCA.39164
柯林斯词典
- (长时间形成的)外皮，外壳，沉积物
Anencrustationis a hard and thick layer on the surface of something that has built up over a long period of time.
英英释义
noun
- a decorative coating of contrasting material that is applied to a surface as an inlay or overlay
- a hard outer layer that covers something
- the formation of a crust
双语例句
- They view the common market as a pearl surrounded by a dismal encrustation of European bureaucracy and regulation.
在他们看来，统一市场就如同被欧洲的官僚机构和法律规章所形成的一层硬壳包裹起来的一颗珍珠。 - Study on Preventing Boiler Encrustation while Overload Operation
对防止供热锅炉超负荷运行结垢的研究 - The second set consisted of patina ― a chemical film encrustation on one of the limestone boxes.
第二套样本中包含有铜绿――在一个石灰石盒子上附着的一种化学物质。 - Studies on the Cleaning of High-ferro Mixed Encrustation
高铁混合垢化学清洗技术 - Study on anticorrosion and lessening encrustation of the gas heat exchanger
煤气热管换热器防腐减垢的研究 - If only want to remove sand, rust, without considering removing encrustation, bacteria can use water purification devices.
如果只是想去除泥沙，铁锈，而不考虑去除水垢，细菌，可以用净水器。 - In rough-set theoretic sense, the histogram correlates with the lower approximation and encrustation of histogram correlates with upper approximation.
从粗糙集理论意义上来说，直方图的外层与上近似有关，而直方图取值与下近似有关。 - Low-concentration SO2 flue gas is usually treated by Limestone-Gypsum desulfurization technology. However, this method has some disadvantages, such as requiring large investment, suffering serious encrustation, recontamination of wastes from the desulfurization process.
低浓度二氧化硫烟气一般采用石灰石-石膏法处理，但是该方法存在投资大、设备结垢严重、废弃物二次污染等问题。 - Effects of soil encrustation on rainfall infiltration, runoff and sediment generation
土壤结皮对降雨入渗和产流产沙的影响 - The disadvantages are mainly high equipment costs and plugging of the lines by sediment, salt encrustation, or algae.
缺点主要是设备费用高，管道易被泥沙、盐分结晶或藻类植物堵塞。