我的结构很严格；钢的治疗是通过一个防腐层底漆，然后涂漆。
My structure is well rigid; the steel is treated by an anti-corrosion layer of primer, and then painted.
商周时期开始出现皮甲，将皮革裁成大小不同甲片，表面涂漆，然后用绳编联。
Leather armor appeared around Shang and Zhou Dynasties. It was made by cutting lacquered leather into pieces of different sizes and then weaving them together by the string.
商周时期开始出现皮甲，将皮革裁成大小不同甲片，表面涂漆，然后用绳编联。
Leather armor appeared around Shang and Zhou Dynasties. It was made by cutting lacquered leather into pieces of different sizes and then weaving them together by the string.
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