硬木材

Heavy and strong wood with great shock and crush resistance.

木材比较重并且硬具有防震防压作用。心材暗红褐色，边材色浅。

Early production of activated carbon materials for the timber, hard shell or animal bones, and later the main use of coal, by dry distillation, activated carbon after activation production methods are:① steam, gas activation.

早期生产活性炭的原料为木材、硬果壳或兽骨，后来主要采用煤，经干馏、活化处理后得到活性碳生产方法有：①蒸汽、气体活化法。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。