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。

youdao

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。

youdao

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。

youdao

Motherwell were fired up early in the second half and only a double block denied Clarkson and Ross McCormack from close range.

BBC: Motherwell 0-2 Hearts

Caines drilled home from 12 yards just when visiting keeper Rikki Banks appeared to have saved his side with a double block from Aaron Farrell and Knights.

BBC: Harriers win through in FA Trophy

Almunia saved superbly from Wayne Rooney, denied Carlos Tevez with a double block and turned away Cristiano Ronaldo's header from six yards as United turned on the style in a dazzling first 45 minutes.

BBC: Man Utd 1-0 Arsenal