铝箔复合粉煤灰保温瓦是一种新型保温绝热材料。
The composite insulating tile of aluminium foil and flyash is a new typo of insulating material.
美国瓦茨建议安装在室内或地面上的保温罩内。
Watts recommends installation indoors or above ground in an insulated enclosure.
美国瓦茨型号sl100 XL, L 100 XL, LL 100 XL和LLL100 XL都有加长进口胫部，适用于新型超厚保温层热水器。
Watts No. SL100XL, L100XL, LL100XL and LLL100XL have extended inlet shanks for use with the new generation of water heaters containing extra thick insulation.
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