Professional training would be good for most of the Plywood QC/QA Parts 136: THE CHOICE OF PLYWOOD FACE AND BACK WOOD VENEER SPECIES ARE VERY IMPORTANT, IT IS NOT ONLY TO PROTECT ITS PRACTICALITY, BUT ALSO TO TAKE CARE OF THE SELLER’S MARKETING PURPOSES.

胶合板的面材的选择非常重要,既要保障它的可实用性,也要照顾到销售商的营销用途。
The choice of plywood face and back wood veneer species are very important, it is not only to protect its practicality, but also to take care of the seller’s marketing purposes.
即使同一个木种,也会因为不同的产区和不同的生长环境带来不同的木纹及其他的自然缺陷。
Even if the same wood species, and also because of different regions and different growing environment bring different wood grain and other natural defects and characteristics .
所谓的实用性,就是需要保证所用的面材可以达到最终客户的使用用途。无论是从面皮的厚度还是从纹理及其他的。
The so-called practical, is the need to ensure that the surface material can be used to achieve the ultimate customer use. Whether it is from the actual thickness or from texture and other.
销售用途,包括这种木材是否可以给消费者一个很好的美观外观,既能达到木材针对性,也可以使木皮在加工过程中达到遮蔽加工缺陷或者自然缺陷的作用。
Sales purposes, including the wood species can give consumers a good appearance, which can not only achieve wood usage , also can make wood veneer in the manufacuturing production process to cover the natural  defects and manufacturing defects .
深颜色的木种,适于遮蔽内部芯板的加工缺陷或者自然缺陷。对基板的要求不是太高,比如透底等缺陷。
A deep color of wood, suitable for the processing of a little lower grade core platform with some defects. The substrate requirements are not too high, such as the defects.
浅颜色的树种,比如白桦和杨木,及其他的白色松木等,对基材的要求稍微高一些,防止透底以及内部芯板叠离芯造成的表面加工缺陷等。
Light color wood species, such as birch and poplar and other white pine, require the  substrate has a slightly higher quality requirements to prevent telegraphing and other surface defects ,caused by the inside core veneer quality .

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