wood substance 中文意思是什麼
wood substance
解釋
木材物質-
To this class of substance belong mica, porcelain, quartz, glass, wood, etc.
屬于這類物質的有雲母、瓷器、石英、玻璃、木材等等。 -
A bitter substance obtained from the wood of this plant, used in medicine and as an insecticide
苦木藥從這種植物的木質中獲取的一種味苦的物質,用作制藥及殺蟲劑 -
Testing of wood preservatives ; accelerated ageing of preserved wood, strain by washing out for the determination of the quantity of effective substance
木材防腐劑的檢驗.第2部分:防腐木材的加速老化.有效
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