heavy-duty pier

例句：

1. 1. The new heavy-duty crane is designed to lift large loads easily.
   这款新型重载起重机设计用于轻松举起大型负载。
2. 2. The heavy-duty vessel is capable of carrying heavy cargo across the sea.
   这艘重型船只能够承载重货穿越大海。
3. 3. The construction of the heavy-duty dock will require extensive excavation work.
   重型码头的建设将需要进行大量的挖掘工作。