有的胶合板是将两个不同纹路的单板贴在一起制成的，所以在选择上要注意夹板拼缝处应严密，没有高低不平现象。挑选胶合板时，应注意挑选不散胶的胶合板。如果手敲胶合板各部位时，声音发脆，则证明质量良好，若声音发闷，则表示胶合板已出现散胶现象。
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，圣霖工字钢， it means that the plywood has already appeared loose glue phenomenon.
工字钢的边长小，高度大，只能承受单方向的力。 H型钢槽深，圣霖工字钢厂家，厚度大，可以承受两个方向的力。
工字钢只能用于横梁，而H型钢才能用于结构的承重柱。
The length of the I-steel is **all and high. It can only bear the force of the single direction. The H steel groove is deep and thick， and can bear the force of two directi. I-steel can only be used for crossbeams， and H steel can be used for structure bearing columns.
认清人造薄木贴面与天然木质单板贴面的区别。前者的纹理基本为通直纹理，圣霖工字钢生产，纹理图案有规则；而后者为天然木质花纹，纹理图案自然变异性比较大，圣霖工字钢采购，无规则。
Recognize the difference between man-made veneer overlay and natural veneer veneer. The texture of the former is basically straight texture， and the texture pattern is regular. The latter is natural wood pattern， and the natural variability of texture pattern is large and irregular.
圣霖工字钢生产-圣霖工字钢-圣霖国际【以人为本】由鞍山市圣霖进出口贸易有限公司提供。鞍山市圣霖进出口贸易有限公司坚持“以人为本”的企业理念，拥有一支技术过硬的员工**，力求提供更好的产品和服务回馈社会，并欢迎广大新老客户光临惠顾，真诚合作、共创美好未来。圣霖国际——您可信赖的朋友，公司地址：辽宁省鞍山市高新区越岭路256号（研发中心A座2号楼510室至511室），联系人：王秋。