The measured contact force is roughly in a same level under different geological conditions, so it is possible to reduce the thickness of secondary lining as well as reinforcement.
2
早在14世纪初,它就刻画过一位头脑清醒、身披铠甲的好战人物,手握一支被狮子啃掉把柄的长矛。
Dating from the early 14th century, it portrays a sober, warlike figure in a suit of chain mail, the end of his lance being chewed by a lion.