百度试题 结果1 题目③His illness is a result of breathing _ in_ paint fumes over many years. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
P100 filters are strongly resistant to oil and provide filtration of airborne particulate including solid dust particles, metal fumes and mists. Wrap-around spark guard protects filter media from sparks and other debris. Filters provide protection from Hexavalent Chromium (Stainless Steel), Zinc Oxide ...