英文翻译
Drawing top
重点词汇
画陀螺───Drawing top
双语使用场景
Experimental Research on Drawing Top-Coal with Loose Medium Model Under Dead-Unconsolidated Sandstone Roof───极松散细砂岩顶板下放煤工艺散体试验研究
Strata Behaviors and Adaptability of Drawing Top-Coal with Hydraulic Props for Soft Coal Seams───松软煤层简放开采的矿压特征与适应性研究
英语使用场景