7 Portland cement
7 Portland cement
发布时间：2025-01-29 09:57:54
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答案：波特兰水泥
相关试题
- 1.7 Portland cement
- 2.Ordinary Portland cement is not suitable for( )
- 3.cement
- 4.to be preserved with cement wash
- 5.cement truck line
- 6.water cement ratio
- 7.Portland is a city of__。A．PolandB．AustraliaC．U.S.AD．New Zealand
- 8.loose cement to be scraped out
- 9.Setting and hardening are caused by the chemical reactions between the cement and water.
- 10.Merritt Park is the largest park in Portland, ______ more than 20 miles of scenic trails.
