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- The select principle of drawing interval was given for different coal-gangue fragmental size. 给出了不同煤矸块度条件下的放煤步距选取原则。
- Feasible drawing interval is the basis to study mining equipment of fully-mechanize coal mining with caving method. 综放开采的合理放煤步距是研制综放工作面成套技术装备的基础,是提高综放工作面采出率与煤质的关键之一。
- The test results show that the drawing interval of 1.5 m is helpful for controlling dead-unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top-coal. 试验结果表明，放煤步距采用三采一放有利于控制顶板极松散细砂岩，降低放出顶煤的含砂率。
- The effects of different drawing interval and top-coal fragmental size on flow character of coal-gangue and sand, and on mixed degree of coal and gangue were analyzed during drawing top-coal. 分析了不同放煤步距、顶煤块度对放煤过程中煤矸砂流动形态、混矸程度的影响。
- Do you mind if I draw up the blinds? 我卷起窗帘你不反对吧？
- Latecomers will not be admitted until the interval. 迟到者在休息时间方可入场。
- A brief, indefinite interval of time. 瞬间一个短暂的、不确定的时间间隔
- There is an hour's interval to the next train. 下一火班车还要过一小时才开。
- We had a quick drink in the interval. 我们在中间休息时匆匆喝了点东西。
- He was fond of drawing when he was a child. 他还是个孩子时就喜欢画画。
- We changed seats in the interval. 中间休息时,我们交换了一下座位。
- The absence of color in that drawing make it dull. 那幅画因没有着色而显得晦暗。
- The days are drawing out now that it's spring. 春天到来，白昼越来越长了。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- A live band is always a good draw at a party. 现场演奏的乐队在聚会上总是很吸引人的。
- A minor key, scale, or interval. 小调音、短音阶或短音程
- Entrust his drawing to the care to us. 把他的画委托给我们照顾。
- An interval composed of three whole tones. 三全音三个全度音的音程
- Is this the original drawing or is it a copy? 这是原画还是模本?
- The flue should draw better once it's been swept. 烟道一经清扫，通风情况应好些。
