英语词汇“roof weighting step”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	roof weighting step
释义	roof weighting step 基本例句来压步距 The length of the first coalface in a mining-district controls the distances of first weighting and periodic weighting of the main roof.在采区范围内首采工作面的长度控制着老顶的初次来压步距和周期来压步距。
随便看	genus cyclosoruss genus Cycnoches genus cycnochess genus Cydonia genus cydonias genus Cygnus genus cygnuss genus Cymbidium genus cymbidiums genus Cynancum genus cynancums genus Cynara genus cynaras genus Cynips genus cynipss genus Cynocephalus genus cynocephaluss genus Cynodon genus cynodons genus Cynoglossum genus cynoglossums genus Cynomys genus cynomyss genus Cynopterus genus cynopteruss