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	environmental quality valuation environmental quality variation environmental question environmental racism environmental radiation Environmental Radiation and its Measurement environmental radiation monitor environmental radiation monitoring Environmental Radiation Monitoring Programme environmental radiation surveillance activity environmental radioactivity environmental radiochemistry environmental radiometer environmental r and d programme and policy environmental range environmental rape environmental rapist environmental realism environmental receptivity environmental recognition system environmental record environmental recorder environmental recorder data set environmental records environmental recoveryresponsibility