它是由铝管、聚酯薄膜和钢琴丝制成的，一个奇怪的水平稳定器从前面伸出，像鹳的头。

It was made of aluminum tubing, Mylar and piano wire, with a weird horizontal stabilizer poking from the front like the head of a stork.

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这个飞行器由铝质管材、聚酯薄膜和钢琴丝制成，前端伸出来一个活象鹳的脑袋的怪异的水平稳定器。

It was made of aluminium tubing, Mylar and piano wire, with a weird horizontal stabiliser poking from the front like the head of a stork.

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针对每个钢琴来说，每个琴丝在长度上都不同，并要获得不同的张紧力和刚度。

For every individual piano, each string varies by length and has to achieve different tension and stiffness.

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