digging efficiency

基本解釋

In order to improve digging efficiency of repairing oil pipeline on line, an optimization method for digging length is studied by combining FEM and genetic algorithm.
以提高輸油管道在線修復(fù)開挖效率為目的，進(jìn)行了有限元法與遺傳算法相結(jié)合的開挖長(zhǎng)度優(yōu)化方法研究。
The utility model has the advantages that the roller vegetable skewer saves labor and time, has high vegetable hole digging efficiency and simple structure and is economic and practical.
本實(shí) 用新型的有益效果是，節(jié)省人力和時(shí)間，挖菜穴的效率高，結(jié)構(gòu)簡(jiǎn)單，經(jīng)濟(jì)實(shí) 用。
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The article introduces how to improve the digging efficiency of the working face of stone head in minefield, and discusses the measures to improve the construction schedule of stone head by examples.
介紹了如何提高礦區(qū)巖巷工作面的掘進(jìn)工效，運(yùn)用實(shí)例說(shuō)明了提高巷道施工進(jìn)度的對(duì)策。