美国斯塔福郡梗的标准允许在重量的一个变化，但是它应该是结构尺寸均衡的比例。
The American Staffordshire Terrier's standard allows a variance in weight, but it should be in proportion to size.
对标准试样和辅助小尺寸试样与冲击功之间的变化规律进行了试验和研究。
The rule of the impact energy was researched between standard samples and aided small samples.
对标准试样和辅助小尺寸试样与冲击功之间的变化规律进行了试验和研究。
The rule of the impact energy was researched between standard samples and aided small samples.
应用推荐