针叶树材 meaning in English

coniferous wood
deal

The three - dimensional flow - resistor network for longitudinal gas permeability of softwoods
针叶树材纵向气体渗透的三维流阻网络
Building timber for wood building components ; quality conditions for building logs softwood
木材建筑构件用木材.建筑原木针叶树材的质量条件
The three - dimensional flow - resistor network for radial and tangential gas permeability of softwoods
针叶树材径向和弦向气体渗透的三维流阻网络
Coniferous timber ; dimensions of cross - sections and static values , goods sawn for dimensions and specification
针叶树材.截面尺寸和静态值.锯材的尺寸和规格
Softwood ; cross - sectional dimensions and static values for sawn timber , square timber stock and roof battens
针叶树材.锯材的截面尺寸和静态值.方木和屋面板条