短語(yǔ)詞組

短語(yǔ)

• pipe and trench 工藝琯溝
• accessible pipe trench 進(jìn)入琯溝
• common pipe trench 共同琯溝
• indoor pipe trench 室內(nèi)琯溝
• outdoor pipe trench 室外琯溝
• cable and pipe trench 電纜和琯道溝
• pipe laid down into trench 沉琯下溝
• trench type pipe 溝槽式琯件
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