井内的 meaning in English
downhole
Examples
- An increase in connection gas due to the above condition and also to swabbing effects
由于以上情况和抽吸作用的影响，接单根时侵入井内的气体量增加。 - Since stations and tunnels of subway connect with each other and form a network rediating to all directions , the air flow is very complex
要想在事故区间形成有效通风，单靠设在车站或风井内的大型隧道风机往往达不到通风效果。 - Exhaust gas passage with variable pressure : it is adopted to prevent foul air from toilet and kitchen ; check valve is added at the joint
变压式排风：为防止卫生间、厨房排风井内的污风反窜到室内，排风道采用了变压式排气道，并在封到接口处增设了止回阀。 - The decrease velocity is relative low when the distance between the fracture and the axis of the borehole is small , and the successive reflected wave back in the borehole becomes strong
裂缝距离井轴越远，降低速率越小，并且进入到井内的后续反射波较强。