A high vacuum in the fuel tank can cause atmospheric pressure to collapse the tank.
燃油箱内的高真空，会引起大气压力压塌油箱。
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Objective: To investigate the application of high vacuum method in phacoemulsification and evaluate its effect.
前言：目的：探讨高负压在超声乳化手术中的应用，并对其效果进行评价。
High vacuum oil.
旋片式真空泵油。
应用推荐
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