旁通接头 meaning in Chinese
by-pa co ection
bypass connection
side entry sub
Examples
- Now the improved and optimized proper accessories such as shock absorber , pass - by sub , perforating materials , detonating device and packings , etc . , meet the above needs in this kind of wells
通过改进和优化减震器、旁通接头、射孔器材、起爆装置以及密封件等器材，满足了高温高压超深井射孔测试联作的要求。