spades是什么东东? spade 在这里翻译成 ‘隔离盲板’。 a spade is a round piece of metal with a small tab that is placed in between two pipe flanges to give positive isolation from the centre; usually to prevent cross contamination between fluids or to allow work on the line. the name comes from the shape: a little like a garden spade. the small tab lets one see that the spade is in place.查看更多