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- The experimental results show that the DPF system has 95% high trapping efficiency, and over 89% high regeneration efficiency, low back pressure, good adaptability to engine operating conditions. 试验结果表明：系统的碳烟过滤效率高达95%25，排气背压低，再生效率超过89%25，工况适应性好。
- The modifications include special exhaust manifolds, two larger turbochargers, a high-efficiency intercooler and a high-performance exhaust system with metal catalysts and low back pressure. 的修改包括特殊排气管，两个较大的涡轮增压器，高效率冷器和一个高性能的金属催化剂和低背压排气系统。
- The engine performance pack has a modified exhaust system with a low back pressure sports catalyst and a driver-controlled switch to manually override the V8 Vantage's exhaust valve. 包了修改的排气系统的低背压体育催化剂和一名司机控制切换到手动覆盖的V8华帝的排气阀。
- low back pressure foam generator 低背压泡沫产生器
- What is maximum acceptable back pressure? 如果是,给出可接受的最大背压?
- I have problems with my lower back. 我的后腰有问题。
- One of my lower back teeth is killing me. 我的一个后牙正在痛。
- I've got a nagging pain in my lower back. 我后背下方老是疼。
- lower back pressure 低背压
- Paraspinous low back pain aggravated by exertion. 用力可使下腰脊柱旁疼痛加重。
- Indications: low back pain, lumbar strain, etc. 适合腰背损伤之人士使用。
- Seating load and tightness is dependent on back pressure. 阀座密封负载和紧密性与反压力相关。
- This back pressure is no problem for the rupture disk. 如果压力放散系统的压力进入到爆破片中，对爆破片不会产生影响。
- This exercise will work the muscles of the lower back. 这样的运动可以锻炼腰部的肌肉。
- A painful condition of the lower back, as one resulting from muscle strain or a slipped disk. 腰痛背部下部的疼痛状态，就象由于肌肉紧张或脱臼引起的疼痛
- Several different types of valves are in use. Some are back pressure valves. 有几种不同的阀在使用中,有些是反向压力阀。
- Strengthens the lower back muscle and loosen the spinal vertebrae. 加强背下部肌肉,放松脊柱。
- I have a cavity in one of my lower back teeth and it hurts. 我的下颚后面有一棵牙齿有个洞，而且会痛。
- They said its a bruise lower back....will try to play tomm! 他们说只是轻微的背伤，明天会回来参加比赛的！
- The skin over lower back was prepared and draped as usual . 像平常一样在下背的皮肤上覆盖着布。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
