常見例句雙語例句Compared with pores, resin canal doesn't have smooth edge and it's density is far lower than that of pores.橫切面上樹脂道不具有光滑的細(xì)胞邊緣，分布密度遠(yuǎn)低于管孔。The sap stain of pine woods are closely related to such elements as resin canal, wood ray, extractives, water content etc.自由基相對含量與變色程度之間存在相關(guān)性，松木邊材變色與樹脂道、木射線、內(nèi)含物及木材含水量等因子密切相關(guān)。It mainly analyzed the morphological characteristics of pores and resin canal on transverse section and wood ray on tangential section on the basis of wood structure.結(jié)合木材組織構(gòu)造總體特點(diǎn)，本文重點(diǎn)分析了橫切面上管孔、樹脂道，弦切面上木射線形態(tài)特征。 返回 resin canal