| ประโยคภาษาจีน : 中文句子 | 
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|  lùn shù论述  le了  lù tiān kuàng露天矿  dà xíng大型  zhuāng zài装载  shè bèi设备  diàn chǎn电铲  yè yā液压  wā jué jī挖掘机  hé和  lún shì轮式  zhuāng zài jī装载机  de的  fā zhǎn发展  gài kuàng概况  jié gòu结构  xìng néng性能  jí及  xīn jì shù新技术  de的  yìng yòng应用 | 
| The development, structure performance and new technology application of such large scale open pit loading equipment as electric shovel, hydraulic excavator and wheel loader were described. |