As you lift the saw, the spring-tensioned telescoping guard will automatically close under the blade.

抬起圆锯后，弹簧绷紧压入的保护罩会自动在锯片下方关闭。

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You can make the blade from a spring leaf from an old Ford.

你可以用一辆旧福特牌汽车上的钢板做矛头。

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You can make the blade from a spring leaf from an old Ford.

你可以用一辆旧福特牌汽车上的钢板做矛头。

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