Results showed that the knot strength was raised by blending of PET-PBT.

结果表明：通过PETPBT共混，提高了单丝的勾结强度；

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Results showed that the knot strength was raised by blending of PET-PBT.

结果表明：通过PETPBT共混，提高了单丝的勾结强度；

youdao