您要查找的是不是：
- portable forestry machine 便携式林业机械
- agriculture and forestry machine 农林机械
- In view of the structure characteristics of forestry machinery, security index of forestry machines can be improved using ergonomics principle. 针对林业机械的结构特点，应用人机工程学原理提高林业机械的安全性指标。
- Forestry appertains to geography. 森林学和地理学有关。
- The machine must break down at this busy hour. 正忙的时候，机器偏偏又坏了。
- The uses of this machine are manifold. 这台机器有多种用途。
- On Safety Requirements and Ergonomics Factors to be Considered in Formulating Standards for Portable Forestry Machinery 论便携式林业机械标准制订中应考虑的安全要求和人机工程学因素
- Bob tuned in his portable radio to a record show. 鲍伯收听手提收音机的唱片广播。
- Completely portable and very light weight. 便携式的，而且重量很轻。
- Very little forestry is left unexplored nowadays. 如今尚未开采的森林是少之又少了。
- The covering of forestry in our town is 60 percent. 我们镇的森林覆盖率是百分之六十。
- Portable telephones are very popular nowadays. 现今，移动电话非常普及。
- The new grinding machine passed all tests. 这台新磨床通过了所有的试验。
- He found that little TV extremely portable. 他觉得那台小小的电视机携带极其方便。
- I bought my son a portable typewriter. 我给儿子买了一台手提式打字机。
- Forestry has advanced with exceptional speed. 植树造林以罕见的速度得到了发展。
- The document had been typed on a small portable. 这份文件是用便携式打字机打的。
- Oil feeds into the machine through this tubing. 油经过这个管子流入机器。
- Did you get a good trade-in on your sewing machine? 你以旧缝纫机折价换新合算吗？
- The new portable computers are going like hot cakes. 新的便携式计算机卖得很快。
