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semi-rigid pvc例句_semi-rigid pvc英汉例句_semi-rigid pvc双解例句_沉淀汉英词典
沉淀汉英词典

semi-rigid pvc

S 开头单词

常见例句

    双语例句

  • The flame retardant and smoke suppression effect of serial metal hydroxystannates on semi-rigid PVC was studied.
    研究了系列羟基锡酸盐阻燃剂对半硬质PVC的阻燃消烟作用。
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