Semiconductor coolers are usually used in medium low temperature on account of their material limit.
半导体制冷器由于材料限制，主要应用于200 K左右的中低温领域。
Poor mechanical property of single macromolecule polymer material limit its clinical application.
单纯的聚合物高分子材料，由于力学性能低，使其应用受到限制。
Poor mechanical property of single macromolecule polymer material limit its clinical application.
单纯的聚合物高分子材料，由于力学性能低，使其应用受到限制。
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