他的领带扯松了，领口也敞着。His tie was pulled loose and his collar hung open.此外, 使这些器官固定于其位置的血管和组织也可能被扯松.In addition, the blood vessels and tissues holding the organs in place may be torn loose.这些插座极易扯松断电以此来防止触电的 吗 ?Aren't these...
等容粒径在沉沙输移中意义不大.The nominal diameter has little significance in sediment transportation.泥沙在沉沙池中沉降效果的好坏,与池内水流流场分布直接有关.The effection of sands deposition is relation with the distribution of flow field in basin....