“yield-pillar system”的概念、定义、翻译、参考文献-科学参考

单词	yield-pillar system
释义	yield-pillar system [`yēld ¦pil·ǝr ´sis·tǝm] ^{MINING ENGINEERING} A method of roof control whereby the natural strength of the roof strata is maintained by the relief of pressure in working areas and the controlled transference of load to abutments which are clear of the workings and roadways.
随便看	bossing bostonite Boston ridge Bostrichidae Bostrichoidea botallackite botanical botanical garden botany bothridium Bothriocephaloidea Bothriocidaroida bothrium botryogen botryoid botryoidal botryomycosis Botrytis disease bottle bottle centrifuge bottled gas bottle graft bottleneck bottleneck analysis bottleneck assignment problem

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。