larch怎么读，larch什么意思，larch短语和例句

1.A merry little bird was singing on a larch-tree, but nothing more.

一只快乐的小鸟在一棵落叶松上歌唱，仅此而已。

2.The dry compressing shear strength of Larch in normal conditions was the lowest.

而对于反复煮沸压缩剪切强度，桦木的值要比落叶松和柞木的高。

3.On the premise of identity for site conditions, the annual dynamic changes of soil nutrients under larch plantation were studied.

在立地条件一致的前提下，研究了落叶松人工林土壤养分含量的年动态变化趋势。

4.Larch plantation is one of the main commercial forests in north China and has an important contribution to the national economy.

落叶松人工林是我国北方林区主要用材林之一，对我国的国民经济建设起到重要作用。

5.The characteristics of larch chemical pulp were studied.

对落叶松化学浆的特性进行了研究。

6.This study provides an effective and reliable method for identification of different larch species.

本研究为落叶松的鉴别工作提供了高效，可靠的鉴别方法。

7.The modified larch bark tannin extracts can be used in production of bakelite bond.

可应用于酚醛树脂绝缘板的黏合剂生产。

8."The cocoon" is clad with larch, both on the exterior and on the interior.

“茧”结构的内外都覆盖着落叶松木。

9.The synthesis of larch extract tannin amphoteric water treatment agent was divided into three phases.

在实验过程中落叶松单宁两性水处理剂的合成主要分为三个阶段。