method for evaluation of tensile properties of metallic superplastic materials using r-type specimen 使用r型樣品測定金屬超塑材料拉伸性能的評價方法
environmental testing-test methods-test ec-drop and topple, primarily for equipment-type specimens 環(huán)境試驗(yàn).試驗(yàn)方法.試驗(yàn)ec.跌落和傾復(fù).主要用于設(shè)備類樣品
environmental testing part 2 : tests . test ec : drop and topple, primarily for equipment-type specimens 環(huán)境試驗(yàn).第2部分:試驗(yàn).試驗(yàn)ec:主要用于設(shè)備型試樣的傾跌與翻倒試驗(yàn)
the type specimens of the new species are deposited in entomogical museum, the northwest sci-tech university of agriculture and forestry 文末附有新種、新亞種及部分已知種的形態(tài)特征圖。
basic environmental testing procedures . part 2 : tests . test ec : drop and topple, primarily for equipment-type specimens 基本環(huán)境試驗(yàn)程序.第2部分:試驗(yàn)方法.ec試驗(yàn):降落和傾倒:主要用于設(shè)備型試樣