以往TMT引起的中毒多由于职业接触的翻译：TMT caused poisoning in the past due to occupational exposure to 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The previous the tmt cause of poisoning due to occupational exposure

TMT caused poisoning in the past due to occupational exposure to

Formerly TMT caused poison many as a result of occupation contact

Poisoning by TMT past due more than occupational exposure

TMT caused poisoning in the past due to occupational exposure to