However, fettered by tradition and obsolete manufacturing techniques, the production of ethnic commodities in Yunnan suffers from multiple problems of quality, cost and market competition.
囿于传统观念和落后的生产方式，目前云南民族商品存在品质不高、成本不低、市场竞争乏力等问题。
A malfunctioning of a seal, which is normally a low cost item compared to the equipment costs (2.5 % - 5%), can result in multiple problems and dissatisfied customers.
密封的故障，通常情况下与整个设备相比只是一个很低的成本，大约为(2.5%- 5%)，但是它会带来很多连锁问题和客户的不满。
Based on the multiple problems existing in design of bolting support in Datun mining Area nowadays, the parameters of bolting (cabling) with wire mesh in actual mining...
在综合讨论大屯矿区现用锚网支护设计方法尚存问题的基础上，对厚煤层放顶煤沿底回采巷道的锚网(索)支护参数设计方法进行了全面分析。
Based on the multiple problems existing in design of bolting support in Datun mining Area nowadays, the parameters of bolting (cabling) with wire mesh in actual mining...
在综合讨论大屯矿区现用锚网支护设计方法尚存问题的基础上，对厚煤层放顶煤沿底回采巷道的锚网(索)支护参数设计方法进行了全面分析。
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