round arch

短语词组

短语

• round trifoliated arch 三叶形拱
• round horseshoe arch 圆马蹄形拱
• round d arch 半圆拱
• a round arch 半圆拱
• half -round arch 半圆拱
• round arch saggregation 圆头螺丝
• round arch dam 圆弧拱坝
• Round arch or Semi -circular arch 半圆拱
• Arch Round bar 水曲圆棒
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