2楼
Plumb & Drain Engineer
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3楼
or P&D Engineer.
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4楼
water supply and wastewater engineer
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5楼
Engineer - Plumbing & Drainage
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6楼
能否是water supply and drainage engineer?
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7楼
我们单位名片上写的是“Plumbing Engineer”
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8楼
water and wastewater enginneer
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9楼
我认为是
water and wastewater engineer
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10楼
According to whom do you want to show your business card!! You can say "water and wastewater engineer" if you use in China.
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11楼
Plumbing Engineer指建筑给排水工程师
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