膜盒，内含低压空气的密封弹性装置。当它周围的压力变化时，会膨胀或收缩。
ANEROID, a sealed flexible device containing air at low pressure, which expands or contracts during change of pressure outside the device.
膜盒，内含低压空气的密封弹性装置。当它周围的压力变化时，会膨胀或收缩。
ANEROID, a sealed flexible device containing air at low pressure, which expands or contracts during change of pressure outside the device.
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