Unverified78% confidenceFactTime unknown
玻璃纤维(FRP)旗杆比全塑料杆耐风耐弯折,遭遇侧风或刮擦后能回弹不易永久变形;纯塑料杆在-5度以下易脆裂,北方冬季应避开纯PP材质
1
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78%
Confidence
Long-term
Relevance
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