腾树检测合作实验室具备 CMA/CNAS 双重资质,可依据 ISO349:2020(E) 提供全项检测服务
腾树检测可依据 ISO349:2020(E)《烟煤奥阿膨胀计试验This document specifies a method for determining the swelling properties of hard coal when heated under standard conditions in a dilatometer Hard coal - Audibert-Arnu dilatometer test》提供专业的第三方检测服务: