板材是指一般的压型钢板﹨平板等，都是较薄的钢板，通常都作为屋面或围护墙等用型材是指热轧的﹨冷弯的如工字钢﹨H钢﹨C型钢Z型钢，通常都作主结构用。
Plate refers to the general profiled steel plate，圣霖国际工字钢， flat plate， etc.， which are thin steel plates， usually used as roofing or retaining walls.
Profiles refer to hot rolled cold-formed ones， such as I-steel， ﹨H steel， ﹨C steel and Z section steel， which are usually used for main structure.
普通工字钢和轻型工字钢的型号是用其腰高厘米数的阿拉伯数字来表示，腹板、翼缘厚度和翼缘宽度不同其规格以腰高×腿宽(b)×腰厚(d)的毫数表示，如“普工160×88×6”。
The ordinary beam and light I-beam model is the digital Arabia with its waist high cm number to represent，圣霖国际工字钢生产， web and flange thickness and flange width of different specificati*** to the waist high (H) * (b) * waist leg width thickness (d). The number of said， such as "general 160 x 88 x 6"
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，圣霖国际工字钢厂家，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，圣霖国际工字钢生产商， 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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