Seal using novel double-end mechanical seal structure.
轴封采用新颖的双端面机械密封结构形式。
2
In order to satisfy the strict sanitation requirements for production environment of the draft beer, GLM put up a new type double-end bottle washing machine.
为了满足纯生啤酒对生产环境严格的卫生要求，推出了新型的双端洗瓶机。
3
A measurement amplifier circuit is designed, which consists of circuits of differential amplifier, a common-mode rejection, double-end and single-end conversions and programmed gain amplifier.