arch falsework

导读:arch falsework读音音标
[ɑ:tʃ ˈfɔ:lswə:k]
arch falsework意思解释
释义楔形砖;

arch falsework读音音标

[ɑ:tʃ ˈfɔ:lswə:k]

arch falsework意思解释

释义

楔形砖;

arch gravity dam
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