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              發布時間:2020-07-20 21:59  






              槽鋼分普通槽鋼和輕型槽鋼。熱軋普通槽鋼的規格為5-40#。經供需雙方協議供應的熱軋變通槽鋼規格為6.5-30#。槽鋼主要用于建筑結構、車輛制造、其它工業結構和固定盤柜等,槽鋼還常常和工字鋼配合使用。

              Channel steel is divided into ordinary channel steel and light channel steel. The specification of hot rolled ordinary channel steel is 5-40#. The specification of hot rolled and variable channel steel supplied by both suppliers and suppliers is 6.5-30#. Channel steel is mainly used in building structure, vehicle manufacturing, other industrial structure and fixed disk cabinet, and channel steel is often used in conjunction with I-steel.


              選擇膠合板主要看其甲醛釋放量和膠合強度。如果膠合板的膠合強度不好,容易散架。選擇時注意膠合板的標稱厚度與實際厚度是否相符。



              The choice of plywood mainly depends on its formaldehyde emission and bonding strength. If the gluing strength of plywood is not good, it is easy to fall apart. When choosing, pay attention to whether the nominal thickness of plywood is in line with the actual thickness.


              有的膠合板是將兩個不同紋路的單板貼在一起制成的,所以在選擇上要注意夾板拼縫處應嚴密,沒有高低不平現象。挑選膠合板時,應注意挑選不散膠的膠合板。如果手敲膠合板各部位時,聲音發脆,則證明質量良好,若聲音發悶,則表示膠合板已出現散膠現象。



              Some plywood plywood is made of two different lines of the single board together, so in the choice of the splints should be careful to pay attention to the joint, there is no uneven phenomenon. When choosing plywood, you should pay attention to selecting plywood without glue. If the hand knocks on the plywood parts, the sound is crisp, which proves that the quality is good. If the voice is stuffy, it means that the plywood has already appeared loose glue phenomenon.


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