Bypass Operation 旁通操作 Isolated Section 单独部分 STOPPLE Plugging Operation 封堵操作 Tapping(Mechanical Tee) 开孔(机械三通) Pig Tracking and Marking Service 清管跟踪和标记 Tapping (Spherical Tee) 开孔(球面三通) Angle Taps 倾斜开关 Inverted Taps 反向开关 High Temperature Tapping (Up to 100°) 高温开孔(高达100°) Metal to Metal Plugging金属对金属的封堵