他们佩带硬帽子，紧缩号码，密封处理，并发明新产品和新工艺。

They wear hard hats, crunch Numbers, seal deals, and invent new products and processes.

youdao

他们佩带硬帽子，紧缩号码，密封处理，并发明新产品和新工艺。

They wear hard hats, crunch Numbers, seal deals, and invent new products and processes.

youdao