主要表面 meaning in Chinese
primary faces
significant surface
Examples
- Steel surface should be clean , not a scar on the major surface structures , such as silt dirt
钢结构表面应干净，结构主要表面不应有疤痕、泥沙等污垢。 - The autonomous underwater vehicle which carries liquid oxidizer and liquid incendiary agent and uses the outside seawater as coolant request the oxidizer 、 incendiary agent and coolant can supply the power system according to accurate proportion and reasonable flow on any condition . the system should have small volume and light weight and should be easily realized . the system and control mode introduced in this article can fit these requirements well
控制或降低液压系统油液的污染度和提高液压元件的污染耐受能力是确保液压系统可靠工作的两个重要方面,本文分析了液压柱塞泵所在系统油液污染特性一定时影响泵污染耐受能力的诸多因素,指出了在结构形式确定的条件下设计高污染耐受度液压柱塞泵所要求的摩擦副材料与主要表面工艺 - Abstract : the mixed salts of diethanolamine and sodium of lauramidoethylene sulfosuccinate is prepared to modify the products with the mixture of the diethanolamine and hydrogen sulfite of sodium as sulphonating agent . the transparency problem of the product is solved . the result of investigation illustrates the major physocochemical properities of the products after the modifying are basically corresponding to the one before the modifying , and the products have a strong containing salt ability , it is fit to compound the products of the high salt content
文摘:采用亚硫酸氢钠与二乙醇胺的混合物作磺化剂，对琥珀酸月桂酰胺基乙酯磺酸钠进行改性，制得了钠与二乙醇胺的混合盐，改善了产品的透明度.性能分析表明：改性前后其主要表面物理性能基本相当，且改性后该产品具有较强的抗盐能力，适用于含盐量较高的制品