例句與用法

1. Through testing the wear and tear properties , analyzing the mechanism of wear , results showed that carbon fibers were in favor of enhancing antifriction and wear - resist properties of the discontinuous cf / cu composite
   試驗(yàn)測(cè)試了不同碳纖維含量復(fù)合材料的摩擦磨損性能，分析了復(fù)合材料的摩擦磨損機(jī)理，并探討了碳纖維在復(fù)合材料磨擦磨損中的重要作用。
2. Abstract : the applications of commonly used butterfly valve , gate valve , restriction - orifice and wear resistant flow adjusting valve in dedusting system were concretely analyzed , and the mechanism of wear resistant flow adjusting valve was described in detail
   文摘:對(duì)工程中常用的蝶閥、閘扳閥、節(jié)流孔扳和耐磨型流量調(diào)節(jié)閥在除塵系統(tǒng)中的運(yùn)用作了具體的分析，并著重對(duì)耐磨型流量調(diào)節(jié)閌的機(jī)理進(jìn)行了比較詳細(xì)的論述
3. Thereby , this paper has carried through an in - depth study on wear mechanism between tool joint of drill pipe and casing , problems caused by wear and measures to deal with wear based on researches at home and abroad . the research contents include : in order to reveal mechanism of wear occurred between tool joint and casing , distribution of the contact pressure between the tool joint and casing for different loads was obtained with finite element method . furthermore , the mathematical model of maximum contact pressure and the wear depth on casing was established
   所以，本文在國(guó)內(nèi)外研究的基礎(chǔ)上，對(duì)鉆桿與套管摩擦磨損的機(jī)理、引發(fā)的系列問題及其預(yù)防措施進(jìn)行了深入研究，研究?jī)?nèi)容主要包括：為探討鉆桿接頭與套管摩擦磨損的機(jī)理，采用有限元法研究了不同載荷下接頭與套管之間接觸壓力的分布規(guī)律，并建立了最大接觸壓力與磨損量的數(shù)學(xué)模型。