槽钢的原料钢坯为含碳量不超过0.25%的碳结钢或低合金钢钢坯。成品槽钢经热加工成形、正火或热轧状态交货。其规格以腰高*腿宽(b)*腰厚(d)的毫米数表示，如150*78*9。
The raw billet of the channel steel is a carbon steel or low alloy steel billet containing less than 0.25% carbon content. The finished channel steel is delivered by hot forming, normalizing or hot rolling. Its specificati*** are represented by the millimeter number of waist height (H) * leg width (b) * waist thickness (d), such as 150*78*9.
细木工板（俗称大芯板、木工板）是具有实木板芯的胶合板，其竖向（以芯板材走向区分）抗弯压强度差，但横向抗弯压强度较高。现在市场上大部分是实心、胶拼、双面砂光、五层的细木工板，尺寸规格为1220 mm×2440mm。
The woodworking board (commonly known as the big core board and woodworking board) is a plywood with solid wood core. Its vertical (core plate to differentiate) is poor in bending strength, but the transverse bending and bending strength is high. Most of the market is solid, plastic, double-sided sanding, five story blockboard, 1220 mm x 2440mm.
特性:装饰面板一般用于清油装饰。表层薄而板是名贵木种，纹理天然、华美。基材一般是胶合板，性能稳定可靠。
Features: decorative panels are generally used for oil decoration. The surface is thin and board is a valuable wood species with natural and beautiful texture. The base material is generally plywood, the performance is stable and reliable.
