Because of the low technological content, traditional construction machinery products that were designed by general electronic control techniques gradually loses the market competition force.
传统的采用一般电控技术的工程机械产品，由于技术含量较低、逐渐失去市场竞争力。
When WC content is more then 50%, spray-fusing technological property becomes worse, hardness of sprayed coating and low-stress abrasive particle wear resistance are weaken.
当w（WC）大于50%时，WC的加入使喷熔工艺性能变得极差，喷熔层的硬度和耐低应力磨粒磨损性能降低。
The technological process is simple and the product is one kind of environment friendly pigment with high homogeneity, good dispersivity and low content of chlorine and other harmful impurities.
本工艺流程简单，颜料粉体均一性、分散性好，氯等有害杂质含量低，是一种环境友好颜料。
By optimization of the technological conditions, the reactive product has low diethylene glycol content, and has stabilization in low temperature.
通过优化工艺条件，合成的产品具有二甘醇含量低，低温条件下稳定性好的特点。
In this paper, discussion and investigation were given to the synthetization of etherified hexmethylol melamine with low formaldehyde content. Also , were developed rational technological conditions.
本文介绍了低甲醛六羟树脂的研制过程，对该树脂进行了合成路线探讨和研究，设计了合理的工艺条件。
In this paper, discussion and investigation were given to the synthetization of etherified hexmethylol melamine with low formaldehyde content. Also , were developed rational technological conditions.
本文介绍了低甲醛六羟树脂的研制过程，对该树脂进行了合成路线探讨和研究，设计了合理的工艺条件。
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