制作粘土模型很耗费时间和精力。

The work on clay models is very time and cost-intensive.

youdao

他做了一个艾菲尔铁塔的黏土模型。

He made a clay model of the Eiffel Tower.

youdao

最后，提供了上海软土模型的有关参数。

Finally, parameters of soil for model in Shanghai are given.

youdao

最后，提供了上海软土模型的有关参数。

Finally, parameters of soil for model in Shanghai are given.

youdao