动词
中文翻译：预成型的
同义词：
['preformed', 'precast', 'prefabricated例句：1. The premoulded concrete blocks were easy to install and strong.（预成型混凝土块易于安装且坚固。）']
例句：
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1. The premoulded concrete blocks were easy to install and strong.
预成型混凝土块易于安装且坚固。
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2.The premoulded roof tiles are a popular choice for roofing projects.
预成型的屋顶瓦是建筑项目中的一个流行选择。
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3. The premoulded parts of the machine were assembled before assembly.
机器的预成型部件在组装之前就已经组装好了。