... lug mainsail 主桅斜桁四边形纵帆 lug pad 三角眼铁 lug piece 短角钢 ...
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An O-shaped elastic pad made of anti-corrosion silicon rubber materials is arranged between the lug boss of the pole and the battery cover.
所述极柱的凸台与电池盖之间设置有防腐蚀硅橡胶材料制成的“O”字型弹性垫。
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