O : If you write the postcode, it will be helpful.如果你写上邮编, 它会是有帮助的.During the war his pacifist leanings were not helpful.战时他的和平主义思想派不上用场。It was advice of a kind, but it wasn't very helpful.这是一种建议, 但并不非常有用.The staff ...
The most common structural targets associated with oil entrapment are anticlines and faults.与储油圈闭有关的最一般的构造目标是背斜和断层.The purely mechanical effect of glandular trichome exudates is the entrapment and immobilization of small...
Decorative Laminates, Used Clothing, Rice, Sugar, Cement and Sand.采购产品装饰积层塑料板,二手的衣服, 大米, 糖, 水泥和沙子.Transverse cracking of matrix is a main damage type of cross - ply laminates.基体横向开裂是复合材料正交层板的主要损伤类型.Stress singularity and...