When viewed under the microscope longitudinally, synthetic fibers usually appear as glass rods with either a smooth or striated surface.
纵向的显微镜下观察时，合成纤维，通常会出现一个表面光滑或横纹肌玻璃棒。
When viewed under the microscope longitudinally, synthetic fibers usually appear as glass rods with either a smooth or striated surface.
纵向的显微镜下观察时，合成纤维，通常会出现一个表面光滑或横纹肌玻璃棒。
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