caterpillar tractor

基本解釋

I'm about to crank this sucker up.” With those words, George Bush turned the key of a large tractor at the Caterpillar factory in Peoria this week.
“我建議大家退後，我要推動(dòng)活塞了”，語(yǔ)聲未落,喬治佈什已扭轉(zhuǎn)了鈅匙，開(kāi)動(dòng)了這輛龐大的拖拉機(jī)。
Photoelastic stress analysis proves reliable line contact simulation of samples for gear style contact fatigue parts designed by Caterpillar Tractor Co. , USA.
用光彈性應(yīng)力分析，論証了美國(guó)卡特皮勒拖拉機(jī)公司的齒輪類線接觸疲勞試樣具有可靠的線接觸模擬性；
Based on the achievements obtained. the theoretic formula that determine the rut size of the caterpillar tractor and the friction drag coefficient of motion was deduced.
筆者將在此基礎(chǔ)上．推導(dǎo)出履帶式拖拉機(jī)的車轍大小的理論公式及其沿疏松土地行走時(shí)的運(yùn)動(dòng)阻力系數(shù)。

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