The modified formula brings about obvious effect in reduction of equipment cost, decrease of power consumption.
修改后的公式对于减少设备费用、节约动力消耗，效益是可观的。
Instead, it really gives you time saving, cost reduction, and the most valuable safety training effect.
应用这套教材，确实可以达到节省时间、降低培训费用和最佳效果的目的。
The utility model solves the problem that the prior mahjong table has large noise, and has the advantages of simple structure, economical cost and good noise insulation and reduction effect.
本实用新型解决了现有麻将桌噪音大的问 题，其具有结构简单，成本经济，隔音减噪效果佳的优点。
The noise reduction board has the advantages of good noise reduction effect, flexibility and convenience, long service life, safety, reliability and low cost.
其优点是，降噪效果好、灵 活方便寿命长，安全可靠，而且造价低。
The noise reduction board has the advantages of good noise reduction effect, flexibility and convenience, long service life, safety, reliability and low cost.
其优点是，降噪效果好、灵 活方便寿命长，安全可靠，而且造价低。
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