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roll over protective structure造句

"roll over protective structure"是什么意思   

例句與造句

  1. roll over protective structure ( rops ) is a device which installs on out of construction vehicle . the main functions are : when the vehicle rolling over . rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator; when the vehicle traveling on freezing soil . concrete and rock, it has large resist continuous impact ability; when the vehicle overturning rops can support the whole vehicle . arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator . this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard . on the base of theory analysis . detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic . and finds a set of feasible nonlinear finite element analysis counting . lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method
    其主要功能是:當(dāng)車輛滾翻時(shí),rops能刺入未凍土壤而阻止車輛的進(jìn)一步滾翻,降低滾翻的車輛對(duì)系著安全帶司機(jī)軋傷的可能性;保證rops在碰撞和沖擊變形不大的地面(如凍土、混疑土上、巖石)時(shí),能具有相當(dāng)大的抗連續(xù)沖擊能力;當(dāng)車輛已經(jīng)處于顛覆狀態(tài)時(shí),已經(jīng)變形的rops應(yīng)能支撐住整車。落物保護(hù)裝置(簡(jiǎn)稱fops),其構(gòu)件的布置方式要能遮蔽墜落的物體(如,樹木、巖石等),以便對(duì)司機(jī)提供適當(dāng)?shù)谋Wo(hù)。本課題主要通過了解國(guó)內(nèi)外有關(guān)對(duì)ropsfops的研究情況和有關(guān)國(guó)際標(biāo)準(zhǔn)的制定,對(duì)大型推土機(jī)傾翻和落物保護(hù)裝置進(jìn)行研究,在理論分析的基礎(chǔ)上,通過建立ropsfops的力學(xué)分析模型,推導(dǎo)彈性、彈塑性階段ropsfops變形的計(jì)算公式,建立一套可行的ropsfops的非線性有限元分析計(jì)算方法。
  2. It's difficult to find roll over protective structure in a sentence. 用roll over protective structure造句挺難的

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