在蒸汽机、蒸汽动力机车、电锯和伐木归堆机等工具问世之前，伐木工人依靠斧头、手锯和驮畜进行作业。
Loggers relied on axes, handsaws and draft animals before the advent of steam engines and gas-powered vehicles, along with chainsaws and harvesting machines such as the feller-buncher.
忽然有一天，有人向您展示并推荐一个新型伐木工具，电锯。
Then one day, someone shows up and extols the virtues of a new tree-cutting paradigm, the chainsaw.
操作木工机器，例如电锯，开槽机，榫眼机和牛头刨床，并使用手工具切割，塑造和成型零部件。
Operate woodworking machines, such as power saws, jointers, mortisers and shapers, and use hand tools to cut, shape and form parts and components.
操作木工机器，例如电锯，开槽机，榫眼机和牛头刨床，并使用手工具切割，塑造和成型零部件。
Operate woodworking machines, such as power saws, jointers, mortisers and shapers, and use hand tools to cut, shape and form parts and components.
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