In the upper formations with high angle in east Sichuan high and steep structures, some complexities, such as hole deviation, well slough, lost circulation and sticking,etc.是什么意思_In the upper formations with high angle in east Sichuan high and steep structures, some complexities, such as hole deviation, well slough, lost circulation and sticking,etc.在線翻譯_英語_讀音_用法_例句