下一篇：羽毛的由来和作用 上一篇：瓜尔豆胶： 广泛应用于面条 方便面 肉制品 调味品 绳子的清洁：可以用清水（中性或者专用洗涤液）洗涤后平摊在地上阴干，使用过程中避免硬物砸伤。 Nylon rope is proof against UV, chemical exposure, and any kind of rot. Regardless that h2o can weaken the toughness of nylon, this effect is so slight that nylon is still generally used for mooring lines and anchor ... https://cargolifting48923.post-blogs.com/55441297/cargo-lifting-an-overview