cushion course

短语词组

短語

• penstock with cushion course 墊層琯
• cushion course detail 軟墊層
• sand asphalt cushion course 瀝青砂墊層
• asphalt cushion course 地瀝青墊層
• cushion course treatment 墊層処理
• sand cushion course 砂墊層
• pile -top cushion course 樁頂墊層
• cement stabilizing gravel -sand cushion course 水泥穩定砂礫墊層
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