咖啡豆表面的油脂也会很容易变坏。

Roasts where oils are exposed on the surface of the bean are much more vulnerable.

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表明硬铝合金焊头极易发生表面的粘着磨损破坏，使得声学系统谐振特性变坏，效率降低。

It is shown that the horn made of aluminum alloys (e. g. Ly12CZ) is apt to adhesion-wear, that makes the resonance properties worsening and leads to decreasing of the acoustic transmitting efficiency.

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表明硬铝合金焊头极易发生表面的粘着磨损破坏，使得声学系统谐振特性变坏，效率降低。

It is shown that the horn made of aluminum alloys (e. g. Ly12CZ) is apt to adhesion-wear, that makes the resonance properties worsening and leads to decreasing of the acoustic transmitting efficiency.

youdao