insufficient ventilation problem 通风不良
insufficient ventilation
通风不足
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In case of insufficient ventilation, wear suitable respiratory equipment.
通风不良时，须佩戴适当的呼吸器。
youdao
S38In case of insufficient ventilation, wear suitable respiratory equipment.
S38:In case of insufficient ventilation, wear suitable respiratory equipment.
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