Gas supply network small, internal leakage less pressure loss.
供气网络小，内部泄漏少，使压力损失降低。
At the end of the annular passage, shock wave occurs when the relative lift is less than 6% and the pressure ratio is less than 0.7, which causes a greater total pressure loss.
在相对升程小于6%、压比小于0.7后，环形通道的末端将产生激波，激波带来较大的全压损失。
It is a high technology to process and preserve fresh vegetables at high pressure, with less nutriment loss, long shelf life, sanitation and convenience.
高压加工和保鲜蔬菜是一项高新技术，营养成分损失少、保鲜期长、卫生方便。
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