spring material of precious metal 贵金属弹性材料
coil spring using new material 新材料
material spring machine 材料拉压机
We are one of spring factory who have the most variety of spring and spring material;
是弹簧行业中生产弹簧种类,使用弹簧材料品种规格较多的弹簧厂之一。
As the largest steel spring material such as stainless steel anti-corrosion materials can not be produced, poor corrosion products, the life of the valve is not long.
由于弹簧材料钢性大不能用不锈钢球阀等防腐材料制作,产品防腐能力差,阀门的使用寿命不长。
With its bankable leading man and fresh material, it may well land the award for the show of the spring.
极具号召力的人物加上令人耳目一新的作品,这场展览完全可以获得春季最佳展览的殊荣。
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