double block brake 双瓦闸 ; 双闸瓦制动器 ; 双块式制动器
double block valve 双隔断阀
Merry Merry Double Block 超级欢乐二重唱
iron double block 双饼铁滑车
double-block and bleed assembly 双止回装置和放气设施
Double Block Zero Padding 双块零拓展 ; 运用双块零拓展
All valves to be suitable for double block and bleed service.
所有阀门需有双堵塞和双排放功能。
That double block is the perfect symbol for the two superstars.
那两个盖帽是这两个超级巨星的完美诠释。
On this basis, according to the users' different needs, we can develop the double block and machine two-mode etc. newest section type.
在此基础上,根据用户的不同需求,我司可以开发出一模双块和一机双模等最新款机型。
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