mean labour strength 平均劳动强度
small labour strength 劳动强度小
decrease labour strength 降低工人的劳动强度
labour strength decreasing 降低劳动强度
Cause of the high cost of materials, spare parts, equipment failure, low efficiency, increase use the Labour strength of the workers.
造成材料、配件费用高,故障多,设备使用效率低,增加了工人的劳动强度。
This invention has the advantages of high fire strength in use, complete briquette combustion, a little pollution and low Labour strength.
本发明具有使用时火力强度大,型煤燃烧完全,污染小,劳动强度低等优点。
Lots of field applications show that this apparatus can effectively reduce drilling cycle, decrease Labour strength and ensure drilling safety.
大量现场应用表明,该装置能有效地缩短钻井周期,降低工人的劳动强度,保证钻井安全。
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