Use lots of padding - foam pipe cladding from a DIY shop is perfect for protecting your frame and very cheap.
使用大量填充物——DIY商店里的泡沫管覆盖膜是保护自行车车身的绝佳物，而且非常便宜。
You should get some foam pipe insulation for the short galvanized pipe and the few feet of hose that is exposed to the outside.
暴露在外的镀锌短管以及数英尺的软管要用泡沫隔热材料予以包扎。
The characteristics of polyurethane foam used as insulating layer of prefabricated directly buried insulating pipe are introduced.
介绍了作为预制直埋保温管保温层的聚氨酯泡沫塑料的特性。
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