API 19C-2018 Measurement of and Specifications for Proppants Used in Hydraulic Fracturing and Gravel ... 上一篇:API SPEC 5CT-2018 Casing and Tubing (TENTH EDITION; API Monogram Program Effective Dat下一篇:API TR 980-2018 Monolithic Refractories_ Installation and Dryout (FIRST EDITION)