生产经营艰难
The production and operation are difficult.
以上为机器翻译结果，长、整句建议使用 人工翻译 。
笔者通过走访华东地区的几家涂料厂家，了解到这些企业经过近几年的艰难跋涉，生产经营状况有了明显的好转。
The author visited several coating companies in east China. He found that, after difficult trekking for years, their status of business operations and productions are all turning better and better.
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