douglas fir造句

1、The choice of Douglas fir for the structure and of larch for the exterior favours local resources.
住宅采用了花旗松木作为结构木材，外部饰面则选用了当地落叶松木。

2、Cedar columns support Douglas fir header logs that span across the ceremony and dining rooms.
雪松柱支撑花旗松头木材，跨越了仪式房和餐厅。

3、The principal structural frame was made from Douglas Fir and prefabricated off site.
主要结构框架都是由黄杉打造并由装置区外预制定做。

4、The Fremont climber had leaned a 25-foot-tall Douglas fir trunk against the cliff to shinny up.
弗里蒙特的登山者靠在一个25英尺高的道格拉斯冷杉树干上背对着悬崖峭壁往上爬。

5、CHEMICAL MODIFICATION OF DOUGLAS FIR AND KENAFFIBERS BY NITRIC ACID
花旗松纤维和槿麻纤维的硝酸化学改性

6、How were paper birch and Douglas fir communicating?
纸皮桦和花旗松到底是怎么交流的呢？

7、douglas fir of California having cones 4-8 inches long.
加州的道格拉斯冷杉，球果长达四到八英寸。