翼缘和腹板都有令人满意的延伸率 ( 即28% ).Both flange and web exhibited satisfactory elongation characteristics ( i . e . 28 % ).研究了对该膜强度和延伸率的影响因素.The several main factors of influences on strength and elongation. was analysed.柔性好, 高延伸率,...
即使是常规检查，兽医的收费也会相当高。Vets' fees can be considerable, even for routine visits.给动物注射是兽医的日常工作.Injecting animals is all in a day's work for a vet.最后, 一岁的车开在前面的兽医的.At last, an old car drove up in front of the vet'...