tower crane
A crane, consisting of a balanced beam erected on top of a tall metal (normally self-erecting) tower, used in the construction of tall buildings
plural of uptitration
plural of layerage
French Institute for Research in Computer Science and Automation.
タワークレーンが鉄骨を31階まで吊り上げ、電気工事士たちが配線の準備をしていた。
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DiQt
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