Pneumatic DTH ( Down - The - Hole ) hammer is one of main pneumatic percussive - rotary drilling equipments.

风动冲击器是气动冲击回转钻进的主要设备之一.

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The harm of percussive ground pressure, produced reason, conditions and protective measures are introduced.

介绍了冲击地压的危害程度, 发生的原因 、 条件及采取的防治措施.

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Sheldon non - Newtonia n fluid, which is liquid, but solid under the percussive action of the speaker.

谢尔顿–它们组成了 非 牛顿流体.是一种液体, 但是在喇叭的冲击作用下就成了固体.

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His music is full of emotions backed with state - of - the - art technique, often treated with percussive arrangement.

凭借超群的技艺和时常伴以打击元素的安排,他的音乐充满动感.

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When it is dragged over pliant areas, an percussive tap could indicate this collision.

我们在这里使用“受范”一词来表达物体和屏幕区域是可以被使用者操作的.

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Abstract: The harm of percussive ground pressure, produced reason, conditions and protective measures are introduced.

文摘: 介绍了冲击地压的危害程度, 发生的原因 、 条件及采取的防治措施.

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