价格:未填
供应:99999
发货:3天内
联系我们时，请说明来自网络，有优惠价哦！ 可使用中性、弱酸、弱碱性的水、油、气体及蒸汽等工作介质。 The valves can be used in working medium such as water, oil, gas or steam of either neutral weak acid or weak alkaline in nature.