无线通信基础(Fundamentals of Wireless Communication) API RP 5EX-2018 Design, Verification, and Application of Solid Expandable Systems (FIRST EDITION) AATCC EP7-2021 Evaluation Procedure for Instrumental Assessment of the Change in Color of a Test Spe AATCC 182-2017(E2019) Test Method for Relative Color Strength of Dyes in Solution API 19C-2018 Measurement of and Specifications for Proppants Used in Hydraulic Fracturing and Gravel AATCC 96-2012(E2019) Test Method for Dimensional Changes in Commercial Laundering of Woven and Knitt AATCC 164-2020 Test Method for Colorfastness to Oxides of Nitrogen in the Atmosphere under High Humi API STD 20L-2018 Qualification of Polymeric Seal Manufacturers for Use in the Petroleum and Natural