blue drop meaning in English

天使们的戏曲

Anodized aluminium and aluminium alloys . assessment of sealing quality . sanodal " g " blue drop test
铝和阳极化的铝合金.密封质量的评定. sanodal “ g ”兰滴定试验
Mourinho ' s relationship with the chelsea hierarchy is going through its rockiest patch yet after three successive draws over christmas which have seen the blues drop six points off the pace set by manchester united
圣诞节赛程中切尔西连续的平局使主帅穆里尼奥与俱乐部高层的关系日渐紧张，现在切尔西与曼联有6分的差距。