求翻译：使用白炭黑补强的硅橡胶其透明性远远达不到要求，而使用MQ硅树脂补强的硅橡胶其力学性能提高有限，因此又进行了气密性聚氨酯弹性体的研究。是什么意思？

Silica reinforcement of silicone rubber transparency is far below standard, the use of the mq silicone reinforcement of silicone rubber mechanical properties in a limited range, so the tightness polyurethane elastomer.

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Uses the white carbon black to make up strong silica gel its transparency not to be able to meet the requirements by far, but uses the MQ silicone resin to make up the strong silica gel its mechanics performance to enhance limitedly, therefore has conducted the gas tight polyurethane elastomer resea

Using silica-reinforced silicone rubber to its transparency does not meet the requirements of, and use of MQ silicone resin-reinforced silicone rubber to improve its mechanical properties limited, conducted a study on air-tightness of polyurethane elastomer.

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