Stress that the high quality of your products and service is unchanged.
强调产品质量和服务水准维持不变。
Residual stress is produced inevitably in steel wire in the course of drawing, which may affect products quality as the stress is strong.
钢丝在拉拔过程中不可避免地会产生残余应力，严重时会影响产品的质量。
Biogas slurry can prevent and cure plants diseases and insect pests, enhance the plant stress resistance and improve quality of agriculture products.
沼气发酵残留物应用于种植业，能防治作物病虫害、提高作物抗逆性、改善农产品品质。
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