付出辛苦和劳动
Put in hard work and labor
以上为机器翻译结果，长、整句建议使用 人工翻译 。
据我所知，BPEC和KBR技术部门为两个公司能成立合资公司并为此奠定坚实的基础付出几个月的辛苦劳动。
I know the BPEC team and KBR Technology team have worked very hard for many months to develop the basis for a strong Joint-Venture between our two companies.
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