另外中间的吊装钢丝绳背投时可能有较细的钢丝绳的投影，是否会影响效果。

Moreover, the suspension steel cord in the middle will have shadows if rear-projection is used.

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另外中间的吊装钢丝绳背投时可能有较细的钢丝绳的投影，是否会影响效果。

Moreover, the suspension steel cord in the middle will have shadows if rear-projection is used.

youdao