流量调节采用针阀或限流器.Adjustment is provided in the form of a needle - value or restrictor.限流器采用两组阀结构,延长了限流器的使用寿命.The restrictor was component of two valves and prolongs its use life.首先,本文概述了故障限 流器 的研究现状 、 存在问题以及本文所作的工作.To correc...
Desmond did not believe the diamond was real.德斯蒙德不相信那钻石是真的。The unmistakable voice of South Africa archbishop, Desmond Tutu.刚才讲话的人无疑是南非枢机主教德斯蒙德·图图....Archbishop Desmond Tutu.德斯蒙德·图图大主教Desmond eyed her anguished face with ...
Choice of stabilizer in emulsion systems has always been rather empirical.在乳液体系中,稳定剂的选择往往凭经验.Fats without a stabilizer should be used with extreme caution.需谨慎使用未加稳定剂的脂肪.It is the good stabilizer of photosensitive resin, ...