As worms are bred in a stagnant pool, so are evil thoughts in idleness.虫蛆在死水中孵化,邪念在懒惰中养成。They were digging up worms to use for bait.他们正在挖蚯蚓作鱼饵。birds looking for worms觅食蠕虫的鸟...carriers of disease such as mosquitoes and wo...
一效列管换热器中出来的冷凝液被用来预热进料.Condensate from the first - effect calandria is used for preheating the feed.该聚结器是一种简单的用于分离蒸汽冷凝液中的油的系统, 维修方便.The ELF Coalescer is a simple, virtually maintenance - free system for separating oil fro...