不同于普通工字型的是H型鋼的翼緣進行了加寬，且內(nèi)、外表面通常是平行的，這樣可便于用高強度螺栓和其他構(gòu)件連接。其尺寸構(gòu)成合理系列，型號齊全，便于設(shè)計選用。（除了吊車梁用工字型鋼）。

Unlike the ordinary I-type, the flange of H steel is widened, and the inner and outer surfaces are usually parallel, so that it can be easily connected with high-strength bolts and other components. Its size is a reasonable series, and the model is complete, which is convenient for the design. (except for crane girder with I-type steel)

普通工字鋼和輕型工字鋼的型號是用其腰高厘米數(shù)的阿拉伯數(shù)字來表示，腹板、翼緣厚度和翼緣寬度不同其規(guī)格以腰高×腿寬(b)×腰厚(d)的毫數(shù)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, 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"

裝飾材料分為兩大部分：一部分為室外材料，一部分為室內(nèi)材料。室內(nèi)材料再分為石材，板材、片材、型材、線材五個類型。

Decorative materials are divided into two parts: one is outdoor materials, the other is indoor materials. Indoor materials are further divided into five types: stone, sheet, sheet, profile and wire.

細木工板比實木板材穩(wěn)定性強，但怕潮濕，施工中應注意避免用在廚衛(wèi)。

細木工板的加工工藝分機拼和手拼兩種，手工拼制是用人工將木條鑲?cè)電A板中，木條受到的擠壓力差，不能據(jù)切加工，只適宜做部分裝修的子項目，如做實木地板的墊層毛板等。

Blockboard is more stable than solid wood, but it is afraid of humidity. In ctruction, it should be avoided in kitchen and toilet.

The processing technology of the carpenter board is divided into two kinds. The manual spelling is to insert the wooden bar into the splint, the squeezing pressure of the wooden bar is poor, it can not be cut by cutting, it is only suitable for the subproject of partial decoration, such as the cushion coat of the solid wood floor.