URL details: lfyqyongshun.com/index.php/cn/Product/view/id/378.html
URL title:
永清县昊星弹簧厂
URL paragraphs:
拉伸弹簧（也叫拉力弹簧，简称拉簧）是承受轴向拉力的螺旋弹簧，[ 拉伸弹簧一般都用圆截面材料制造。在不承受负荷时，拉伸弹簧的圈与圈之间一般都是并紧的没有间隙。 下一条：拉簧
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