機(jī)械工程師招聘試題考試題-在線瀏覽
2025-05-12 04:19本頁(yè)面
【正文】 四．請(qǐng)?jiān)O(shè)計(jì)出一個(gè)快慢進(jìn)直線運(yùn)動(dòng)的氣動(dòng)系統(tǒng)圖。六． 敘述潤(rùn)滑油分類，適用范圍，潤(rùn)滑油的使用方法。八． 請(qǐng)畫出FeFe3C合金狀態(tài)圖及大致說(shuō)明每個(gè)區(qū)域組織狀態(tài)。十一 將下面兩段英文翻譯成中文（可選一段也行）Turbo molecular Pumps （渦輪分子泵）Resembling a jet engine, a turbo pump has a stack of rotors, each with multiple, angled blades which drive at very high tangential speed. Gas molecules, hit by the underside of the angled blades, move with momentum in the direction of the higher pressure exhaust.Turbo pumps e in two basic designs. In the SNECMA design (named after a French jetengine manufacturer) all gas enters through the main flange at the visible singleend of the pump。s manufacturer) doubleended design, has two rotors setmounted on a mon axle. Gas enters the pump through a right angle port between the two rotor sets and exits into an exhaust manifold connecting the two ends of the pump.For normal merciallyavailable pump
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