英语词汇“external casing packer”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	external casing packer
释义	external casing packer 基本例句管外封隔器 The present invention relates to a method for well cementing assisted by grout inflatable external packer.本发明涉及一种用水泥浆胀封管外封隔器辅助固井的方法。
随便看	preliminary sour Preliminary Special Operational Concept preliminary specifications preliminary stack preliminary stack section preliminary stag preliminary stage preliminary-stage duration preliminary stage of socialism preliminary start preliminary steaming preliminary steaming treatment preliminary steeping preliminary step preliminary stratigraphy Preliminary studies preliminary test data preliminary test estimator preliminary-test estimator Preliminary Test Information preliminary study Preliminary Study of Probational Hearing preliminary study of thegenesis Preliminary Study on Cultural Ecotourism preliminary study on genesis