英语词汇coal heading怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

网络释义

1
?沿煤层巷道
... 沿倾斜下向开采：dipping working 沿煤层巷道：coal heading 岩盐矿：rock salt mine ...

短语

1
coal-heading production
煤头生产
2
all coal heading
全煤巷
3
compound roof coal heading
复合顶煤巷

双语例句

1
It is a new practical method to predict outburst danger according to gas emission law after shotfiring at coal heading faces.
根据煤巷掘进工作面放炮后的瓦斯涌出规律，预测工作面的突出危险性是一种新型实用的工作方法。
2
An old steam engine went slowly by, heading northeast, puffing great clouds of smoke and hauling a train of coal trucks.
一辆老式蒸汽机车喷着浓烟，拖着一节又一节的煤车缓慢地向东北方向开去。
3
Advancing hole is one of local prevent outburst measure at coal road heading face in coal-and-gas outburst mine.
超前钻孔是煤与瓦斯突出矿井中煤巷掘进工作面的局部防突措施之一。

单词	coal heading
释义	coal heading 简明释义沿煤层巷道网络释义 1 ?沿煤层巷道 ... 沿倾斜下向开采：dipping working 沿煤层巷道：coal heading 岩盐矿：rock salt mine ... 短语 1 coal-heading production 煤头生产 2 all coal heading 全煤巷 3 compound roof coal heading 复合顶煤巷双语例句 1 It is a new practical method to predict outburst danger according to gas emission law after shotfiring at coal heading faces. 根据煤巷掘进工作面放炮后的瓦斯涌出规律，预测工作面的突出危险性是一种新型实用的工作方法。 2 An old steam engine went slowly by, heading northeast, puffing great clouds of smoke and hauling a train of coal trucks. 一辆老式蒸汽机车喷着浓烟，拖着一节又一节的煤车缓慢地向东北方向开去。 3 Advancing hole is one of local prevent outburst measure at coal road heading face in coal-and-gas outburst mine. 超前钻孔是煤与瓦斯突出矿井中煤巷掘进工作面的局部防突措施之一。
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