1) sap stain
边材变色
2) sap-staining fungi
边材变色菌
3) interior sap stain
边材内部变色
4) Sapwood dyeing
边材染色
5) fungous brown stain
边材褐变
6) color change boundary
变色边界
1.
The effects of alkali of the mortar specimens and the concentrations of AgNO3 solution indicator on the Cl-concentration at the color change boundary of the specimens were investigated.
研究了砂浆的碱度和AgNO3溶液指示剂的浓度对测量砂浆变色边界Cl-浓度的影响。
补充资料：边材
1.治理边疆的人才。 2.木材外围色泽较淡的部分。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条