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PVC不是一种柔性的塑料,因此要加入一种叫邻苯二甲酸盐 的化学物质,使它变的更柔软。
To begin with, it's not a soft plastic, so phthalates are added to make it more pliable.
youdao
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PVC不是一种柔性的塑料,因此要加入一种叫邻苯二甲酸盐 的化学物质,使它变的更柔软。
To begin with, it's not a soft plastic, so phthalates are added to make it more pliable.
youdao