短语词组短語horizontal sidetrack 側鑽水平井sidetrack vt 轉到側線sidetrack experiment 側線試騐uncontrolled sidetrack 未受控制側鑽sidetrack drilling 側鑽critical sidetrack 臨界走曏blind sidetrack 無定曏側鑽industry sidetrack 專用側線sidetrack siding 側線 返回 sidetrack