In bearing spring point is due bedspring of steel bar consolidate, the fabric of fixed bedspring should be corroded not easily and insipidity, enclothe the fabric on bedspring Alexandrine character.
在承重弹簧处应有钢条加固弹簧，固定弹簧的织物应不易腐蚀且无味，覆盖在弹簧上的织物同上特性。
In bearing spring point is due bedspring of steel bar consolidate, the fabric of fixed bedspring should be corroded not easily and insipidity, enclothe the fabric on bedspring Alexandrine character.
在承重弹簧处应有钢条加固弹簧，固定弹簧的织物应不易腐蚀且无味，覆盖在弹簧上的织物同上特性。
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