①胶合板有正反面的区别。挑选时,胶合板要木纹清晰,正面光洁平滑,不毛糙,要平整无滞手感。
②胶合板不应有破损、碰伤、硬伤、疤节等疵点。
1.the difference between the plywood and the and negative sides. When selecting, plywood should be clear, ***ooth, ***ooth, and ***ooth.
2. Plywood should not be damaged, bruised, hard or scarred.
槽钢按形状又可分为4种:冷弯等边槽钢、冷弯不等边槽钢、冷弯内卷边槽钢、冷弯外卷边
依照钢结构的理论来说,应该是槽钢翼板受力,就是说槽钢应该立着槽钢,板材供应商,普通槽钢规格而不是趴着。
According to the channel shape and can be divided into 4 kinds: cold bending equilateral channels, cold-formed non equilateral channel steel, cold rolled steel, cold bending edge edge
According to the theory of steel structure,板材型号, it should be the force of the channel steel wing plate,板材, that is to say the channel steel should stand the channel steel, ordinary channel steel specification rather than lie.
胶合板是由三层或多层一毫米左右的实木单板或薄板胶贴热压制成,常见的有三夹板、五夹板、九夹板和十二夹板(俗称三合板,五厘板,圣霖板材价格,九厘板,十二厘板)。
Plywood is made of three or more than one millimeter of solid wood veneer or thin plate with hot pressing. There are three splints, five splints, nine splints and twelve splints (commonly known as three plywood, five millimeter, nine millimeter, twelve millimeter).
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