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还有这是三个防护帽。
And here are three crash helmets.
youdao
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在工地现场必须带防护帽。
Protective helmets must be worn on site.
youdao
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防护帽保持NT9110的修整头部清洁,不使用。
A protective cap keeps the NT9110's trimming head clean while not in use.
youdao
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防护帽保持NT9110的修整头部清洁,不使用。
A protective cap keeps the NT9110's trimming head clean while not in use.
youdao