管套

管套
guǎntào
(1) [pipe covering]∶ 包在管道外以防管中物与管外(环境)产生热交换的绝缘材料
(2) [thimble]∶ 用于将铅皮管固定在石制品上的金属管套

Advanced Chinese dictionary. 2013.

Игры ⚽ Поможем написать курсовую

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