泵的数据表里面出现的 Pump casing design pressure? 1.Pump casing design pressure must handle maximum developed pressure at maximum suction pressure and maximum density. 2. Manufacturer to provide complete liquid seal buffer system per API Plan 52 or equivalent. The buffer oil shall be a low viscosity (<10 cp) white mineral oil that is suitable for direct contact food processing and packaging. The buffer oil must be free of additives, especially oxygenated compounds. Suggested suppliers are Crompton (Kaydol, Witco 40, Hydrobrite series), Shell (Ondina series) and Exxon (Marcol series).查看更多5个回答 . 5人已关注
英译汉(周一)? Letting go doesn't mean that you're a quitter. It doesn't mean that you lost. It just means that you realize in that moment that's it's time to let go and move on.查看更多5个回答 . 3人已关注