... cold endurance 耐寒性 cold feed pipe 冷水补给管 cold flow 冷流 ...
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But they 've got to be wrapped in lagging, remember. and in two places I need to cross a conduit with a 35 millimetres cold feed pipe. There's just not enough space.
但管外还要包隔热层而且电线管在两处要与35毫米的冷水管交叉，地方恰好不够。
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