Unverified80% confidenceTradeoffTime unknown
PVC硬管成本低、抗压好但拐弯需弯管弹簧或配件；波纹软管敷设灵活可绕障碍但抗压差，暗埋大量硬管、局部拐角复杂处用波纹管过渡
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified硬管抗压耐踩但转弯需用弯管弹簧或成品弯头、施工慢；波纹软管施工快转弯自由但抗压差、内壁褶皱增大抽线阻力，长距离多弯线路用软管后期换线极难82% similarUnverified不要用超长铝箔软管硬拉直代替硬管走长距离，软管内壁螺纹凹凸会显著增加阻力（比同径光滑硬管阻力高约40%），长距离必须用硬管80% similarUnverified马桶弯道多，禁止用无弹簧头或直径过硬的钢缆强推，易划伤陶瓷内壁釉面；应选配柔性弯头钢缆并配合马桶专用软管79% similarUnverified硬管vs软管：直线段和主干道用硬管（可换线、抗压好）；转角处用弯管弹簧冷弯硬管而非直角接头；只有到灯位、开关盒等末端小段才用波纹软管，全程软管后期无法更换电线78% similarUnverified软线（可弯曲橡胶）适合过弯管道但无法主动定向，硬线/半硬线（内置钢丝）可塑形保持角度适合墙内穿线和发动机盲区探测，按是否需要探头定向选择线材类型76% similar
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