拆除<span class='red'>桥</span><span class='red'>梁</span> 拆除<span class='red'>桥</span><span class='red'>梁</span> <span class='red'>桥</span><span class='red'>梁</span>维修 <span class='red'>桥</span><span class='red'>梁</span>的定制建造 <span class='red'>钢</span>结构建筑施工

<span class='red'>钢</span>琴修理 <span class='red'>钢</span>琴调音

轧<span class='red'>钢</span>机的安装、维护和修理

C060013<span class='red'>桥</span><span class='red'>梁</span>支承 060224金属<span class='red'>梁</span> 金属横<span class='red'>梁</span> C060015电缆<span class='red'>桥</span>架 C060016<span class='red'>钢</span>模板 脚手架用普通金属<span class='red'>梁</span> 060009<span class='red'>钢</span>制卷帘 建筑用<span class='red'>钢</span>架 060266<span class='red'>钢</span>结构建筑 铁或<span class='red'>钢</span>制搁栅 <span class='red'>钢</span>制百叶卷帘 面板和面板托<span class='red'>梁</span>用金属连接物

<span class='red'>桥</span><span class='red'>梁</span>连接用金属制锚定螺栓

<span class='red'>钢</span> 060003<span class='red'>钢</span>条 碳<span class='red'>钢</span> 060005铸<span class='red'>钢</span> C060001<span class='red'>钢</span>砂 060010<span class='red'>钢</span>板 不锈<span class='red'>钢</span> 轧制<span class='red'>钢</span> 预镀<span class='red'>钢</span> 060002<span class='red'>钢</span>合金 C060043<span class='red'>钢</span>纤维 060006<span class='red'>钢</span>桅杆 合金<span class='red'>钢</span> <span class='red'>钢</span>锻件 060459热轧<span class='red'>钢</span>棒 合金<span class='red'>钢</span>片 中空<span class='red'>钢</span>条 镀锌<span class='red'>钢</span>板 制管<span class='red'>钢</span>板 060460磨光<span class='red'>钢</span>棒 半成品<span class='red'>钢</span> 未锻造的<span class='red'>钢</span> 冷加工<span class='red'>钢</span>条 060168大<span class='red'>钢</span>坯（冶金） 低铜碳<span class='red'>钢</span>屑 乙烯基涂层<span class='red'>钢</span>板 乙烯基涂层<span class='red'>钢</span>片 复合<span class='red'>钢</span>板和片材 060001未锻造或半锻造的<span class='red'>钢</span> 金属板（包括<span class='red'>钢</span>钛合金制） 金属薄板（包括<span class='red'>钢</span>钛合金制） 未锻造或半锻造的<span class='red'>钢</span>合金

<span class='red'>钢</span>罐 <span class='red'>钢</span>盒 <span class='red'>钢</span>丝筐 <span class='red'>钢</span>桶（空的）

060011<span class='red'>钢</span>管 不锈<span class='red'>钢</span>管 金属管（包括<span class='red'>钢</span>钛合金制） 金属管道（包括<span class='red'>钢</span>钛合金制） 金属分岔管（包括<span class='red'>钢</span>钛合金制） 管道金属弯头（包括<span class='red'>钢</span>钛合金制） 金属连接管道（包括<span class='red'>钢</span>钛合金制） 金属阀门（非机器零件）（包括<span class='red'>钢</span>钛合金制）

<span class='red'>钢</span>轨

060003<span class='red'>钢</span>箍 060004<span class='red'>钢</span>丝 C060044<span class='red'>钢</span>带 <span class='red'>钢</span>缆 <span class='red'>钢</span>丝绳 不锈<span class='red'>钢</span>丝 带刺<span class='red'>钢</span>丝网

060265<span class='red'>钢</span>滚珠 金属岩钉<span class='red'>钢</span>环

铜焊和焊接用金属棒（包括<span class='red'>钢</span>钛合金制）

190083非金属<span class='red'>梁</span> C190038塑<span class='red'>钢</span>门窗 C190030玻璃<span class='red'>钢</span>制门、窗 C190031玻璃<span class='red'>钢</span>制天花板 C190032玻璃<span class='red'>钢</span>建筑构件

建筑用<span class='red'>钢</span>化玻璃

牙<span class='red'>桥</span>材料 非永久性牙<span class='red'>桥</span>、牙冠、牙齿贴面用牙科树脂

吉他弦<span class='red'>桥</span> 150062<span class='red'>钢</span>琴弦 150063<span class='red'>钢</span>琴键 150061<span class='red'>钢</span>琴键盘 150078乐谱纸卷（<span class='red'>钢</span>琴） 150045机械<span class='red'>钢</span>琴用音量调节器

150008<span class='red'>钢</span>琴 <span class='red'>钢</span>鼓 自动<span class='red'>钢</span>琴 数码<span class='red'>钢</span>琴 自动演奏的电子<span class='red'>钢</span>琴