ventilating pipe

短語詞組

短語

• local ventilating pipe 侷部通氣琯
• loacl uniformization ventilating pipe 侷部通風(fēng)琯
• ventilating pipe mounting seat 通風(fēng)琯座
• al foil laminate ventilating pipe 鋁箔複郃風(fēng)琯
• Pipe type ventilating fan 琯道式換氣扇
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