欧美最猛性xxxx,亚洲AV无码一区二区乱孑伦AS,亚洲一本大道无码av天堂,国产大屁股喷水视频在线观看

Annatto furniture, also be a kind of solid wood furniture, but annatto furniture is the furniture series of a kind of style alone in furniture course of study, be different from other solid wood furniture, because this also explains specially here. Mahogany furniture dates from the Ming Dynasty. Its appearance is simple and symmetrical, and its natural color and texture are pleasant. Annatto basically uses the engraving, mortise and tenon, inlay, the traditional craft such as curve that Chinese furniture makes, German scholar G·Ecke is in "Chinese hua limu furniture chart examines" in summing up the 3 basic rules that process annatto furniture is: not absolutely necessary need not wood pin; Where possible to avoid the use of adhesive; There is no spinning anywhere. That is, without any nails and adhesives. So the obvious nationality in the modelling and craft of annatto furniture is the most attractive part to many collectors, many people say annatto furniture is furniture of humanity, art furniture. According to the concerned regulation of bureau of national technology supervision, alleged annatto furniture basically is to point to use rosewood, acerbity branch wood, ebony, gall wood, beautiful pear wood, chicken wing ligneous furniture becomes, besides lumber makes furniture cannot call annatto furniture. Rosewood is the best of all mahogany. Its woodiness is hard, colour and lustre purple black, dignified, feel is heavy. Growth rings into grain filamentous, fine texture, not planning crab claw lines. Purple good wood is divided into old purple good wood and new rosewood. Old rosewood purple black, soaking water does not fade, new rosewood maroon, dark red or deep purple, soaking water will fade. Acid branch wood commonly known as old annatto. Wood is hard and heavy, durable, can sink in water, the structure is fine lemon red, deep purple red, purple black stripes, processing emits a spicy with sour taste, so the name. Ebony is black and shiny, with a fine structure and a sense of grease. Ebony see more make chopsticks, ink box and so on small, rare make furniture. Gall wood is the wood formed after the tree gall, according to the tree species are divided into birch gall, nanmu gall, rosewood gall, acid branch operation gall. The grain curve of gall wood is strewn at random, beautiful and chic, it is the best adornment material. Mostly used as a surface package on furniture, inlaid materials, such as folk on the "red table gall wood face". Rosewood is also known as fragrant rosewood, and its composition is similar to that of acid branch wood. Its wood is hard, red yellow or red purple in color, rain line in texture, soft in color, light in weight, and can float in water, resembling wood bars. And these rare lumber is used early in China, to prevent fake and shoddy product, the country undertook norm to annatto furniture, the hot of annatto furniture market lets common family yearning not only, also cause the attention of investor.