但是，如果他们不用廉价的火，又能要用什么——电动割草机？链锯？还是拖拉机？
But if they do not use fire, which is cheap, then what are they going to use - strimmers? Chainsaws? Tractors?
整枝机在绕树干螺旋上升的过程中利用链锯进行整枝。
In the process of spiraling climbing around the trunk, the pruning machine is pruning by chain saw.
小型发动机技工负责维护、测试和修理引擎链锯、割草机、花园拖拉机和小型发动机的其他设备。可能需要注册或许可。
Maintains, tests and repairs engines of chainsaws, lawn mowers, garden tractors and other equipment with small engines. Registration or licensing may be required.
论述了一种利用液力叉车作为进给动力，由电机驱动链锯式割刀作为工作头的小型立式割煤机的主要性能设计。
The paper introduces the main functional design of a kind of small cutting coal machine with hydraulic fork lift as feed power and chain-saw cutting knives driven by generator as working head.
采用这种试验机测定不同锯链的锯切效率，可比性强。
So a good contrast could be obtained in measuring the cutting-rate of saw-chains through the special testing device.
与此同时，在整个热带森林的土地上仍在继续听到斧头、链锯和推土机的响声。
Meanwhile, the sounds of the axe and the chain-saw and the bulldozer continue to be heard throughout the tropical forest lands.
我们仅有的机器（不包括割草机）是一台3马力的小型旋转式耕耘机以及一架16英寸的链锯。
The only machinery we own (not counting the lawn mower) is a little three-horsepower rotary cultivator and a 16-inch chain saw.
我们仅有的机器(不包括割草机)是一台3马力的小型旋转式耕耘机以及一架16英寸的链锯。
The only machinery we own (not counting the lawn mower) is a little three-horsepower rotary cultivator and a 16-inch chain saw.
我们仅有的机器(不包括割草机)是一台3马力的小型旋转式耕耘机以及一架16英寸的链锯。
The only machinery we own (not counting the lawn mower) is a little three-horsepower rotary cultivator and a 16-inch chain saw.
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