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- Ventilation: Good general or local exhaust ventilation are required for usage. 通风措施:需要使用适当的通风装置。
- ENGINEERING CONTROLS: Use local exhaust ventilation to control dust. 工程控制:使用当地除尘通风设施。
- Local exhaust ventilation or other engineering controls are normally required when handling or using this product to avoid overexposure. 使用时避免过度暴露,必要时使用当地抽风系统或其它工程控制。
- Engineering contacts: If general ventilation is insufficient to maintain vapor concentration below Established exposure limits, use local exhaust ventilation. 如果在不够通风的条件下处理,需要采用一定的通风设备进行处理。
- local exhaust ventilation 局部排气通风
- LOCAL EXHAUST IF PEL/TLV IS EXCEEDED. 如果 PEL/ TLV 被超过，地方用尽。
- The local mechanical ventilation is usually used in the construction of mine tunneling,the common ventilation methods are exhaust ventilation,forced ventilation and compound ventilation. 在矿山巷道的掘进作业及隧道的导洞开挖等工程中,常采用局部机械通风,常见的通风方式有抽出式、压入式和混合式。
- Ventilation: positive downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV. 通风：为了使气体聚集程度维持在阀极限值之下，应提供通畅的向下棋流排气通风设施。
- Ensure efficient exhaust ventilation in the working area. Avoid contact with eyes, skin. 工作区保持通风良好,避免触及眼睛、皮肤。
- Ensure efficient exhaust ventilation in the working area. Do not use at source ignition. Avoid contact with eyes, skin. 工作区保持通风良好,远离易燃物质,避免触及眼睛、皮肤。
- It is a general belies that exhaust ventilation method is not suitable for spontaneous combustion mines. 在发火矿山不应采用抽出式通风,这是人们的普遍认识。
- High temperature of the local exhaust edge of the vane led the vane to ablate and fracture. 结果表明,该叶片掉块性质为烧蚀掉块,烧蚀掉块的原因是叶片排气边局部出现瞬时高温。
- Results show that fixing the local exhaust facility over the lighting bridge, spout air supplying and bottom air returning is the best air conditioning method. 模拟结果表明,在灯光渡桥上加局部排风装置,喷口送风、下部回风为此类建筑的最佳空调方式。
- Flow conservation equation and pressure balance equation of double-shaft blow and exhaust ventilation model for highway tunnels are recommended on basis of hydrodynamics in the paper. 以流体力学为基础,建立了公路隧道双竖井送排式通风方式的流量平衡方程和压力平衡方程。
- Combination of forced and exhaust ventilation 压抽混合式通风
- The design project has applied the return joint two times to the solution of mobility of the hood of the local exhauster system.It has been widely used in practice. 该设计两次运用回转接头，解决了局部排风系统中罩口的机动功能，已被广泛地应用于现场排尘排毒工程中，使用方便，效果良好。
- A syndicate of local businessmen is bidding for the contract. 一个当地企业家的联合组织在向这一合同投标。
- My husband is a history teacher at the local school. 我丈夫是本地学校的一位历史教师。
- Analysis of Exhaust Ventilation Mode of Subway Tunnel Fire 地铁区间隧道火灾排烟通风模式分析
- His son was indentured to the local blacksmith. 他的儿子拜当地的铁匠为师签订了师徒合同。
