The construction practice indicated that the blasting efficiency in drift was improved and good economic benefits were obtained by the adoption of single helix cutting mode.

实践表明，采用单螺旋掏槽方式提高了平巷掘进爆破效率，取得了良好的经济效益。

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If the current pattern of cutting weapons and protecting people persists as defense budgets drift downward, the United States will lose the technological edge it has long enjoyed in warfighting.

FORBES: Pentagon Should Cut Bloated Head Count, Not Weapons Programs