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- Proper size inlet plumbing. Check for air tight seal. 检查进口管路的尺寸是否正确,是否拧紧。
- Reattach cover plate to make an air and water tight seal. 重新固定盖板，并紧密密封防止空气和水通过。
- Air tight seal keeps in smell, humidity and food nutriments stay in longer. 完全密封留住原味,湿气和食物营养保存更久。
- Plugs are moulded to cable for a liquid tight seal when mated to a socket. 配插座的电缆插头组件经液体紧固密封成型（采用液体紧固密封成型）。
- Wedging actions help affect a tight seal in low differential pressure services. 楔形的作用有助于在低压差应用中产生紧密的密封。
- Non-lubricated, tapered plug assures tight seal with low breakout torque. Constructed of hardened materials with optional hard facing. 无润滑，锥形阀塞确保紧密密封，并且具有很低的启动扭矩。有硬化材料构造而成，配置备选硬面。
- Spring loaded discs help affect a tight seal in low differential pressure services. 弹簧负载阀瓣有助于在压差较低的应用环境中产生更紧的密封。
- Most respirators are designed to fit the face and to provide a tight seal between the respirator\'s edge and the face. 绝大多数呼吸器的设计都具有和面部的适合性，保证呼吸器的边缘和脸部的紧密贴合。
- Usage: suitable for air tight seal welding machine for sound filter, microwave device, transistor, commutate tube, controllable silicon and sensor etc. 用途：适用声表滚波器、微波器件、晶体管、整流管、可控硅、传感器等气密性封焊。
- Thicker knife. Our valves have thicker, stronger knives, to prevent deflection under heavy pressure and to ensure a tight seal. 更厚的闸刀。我们的阀门具有更厚、更坚固的闸刀，能够避免闸刀在高压下产生偏转，确保紧密密封。
- The tapered plug is precision ground from hardened high alloy material or an overlaid stainless to assure a tight seal and easy operation. 锥形阀塞经过精密研磨，采用硬化高合金材料或一种镀层不锈钢，确保紧密密封和操作容易。
- Then, once it is in place, it is partly flooded and allowed to sink to the riverbed around the breach, making a tight seal. 一旦到位，就向拱坝内灌水使它沉到裂口周围的河床上，然后做好密封，彻底堵严缝隙。
- DeZurik KGC Valves have a unique packing system that ensures a long-life tight seal with minimal packing gland pressure. 美国DeZurik（德朱瑞克）KGC阀门独特的密封填料系统能够在最小密封填函料压力下，实现长久的紧密密封。
- All the items for export must be under the tight seal which ensures that we always put the Total Quality Control into execution. 所有出口品种都必须真空密封,以保证全面控制质量这一措施的实行。
- Usage: suitable for quartz crystal, sound filter, microwave device, transistor, commute tube, sensor, photoelectricity, laser device etc. air tight seal welding. 用途：适用石英晶振、声表滤波器、微波器件、晶体管、整流管、传感器、光电器件、激光器件等气密性封焊。
- Square braided PTFE packing insure a tight seal with a minimum of packing gland pressure. Extra rings of packing and a smooth uniform chamber assure a tight seal. 方形编制聚四氟乙烯填料确保在最小填料函压力下实现紧密的密封效果。填料的附加密封环和光滑一致的腔室也确保了密封的紧密性。
- Plug- Plugs are cast from materials selected for their non galling characteristics. Special metals are available on application. Plug taper assures a tight seal and ease of operation. 阀塞-阀塞选用具有无磨痕特性的材料铸造而成。根据需要可提供特殊材料。阀塞锥度确保紧密密封和操作轻松。
- Sources of ignition should be kept clear. Do not overload at tight sealed condition. 染火点必须隔离。不要再密封的环境中超载。
- Plug - Plugs are cast from materials selected for their non galling characteristics. Special metals are available on application. Plug taper assures a tight seal and ease of operation. 阀塞-阀塞选用具有无磨痕特性的材料铸造而成。根据需要可提供特殊材料。阀塞锥度确保紧密密封和操作轻松。
- METHODS: A tight seal whole-cell recording patch-clamp technique was performed to record nicotine-evoked currents in the cultured sympathetic neurons from neonatal rat superior cervical ganglia (SCG). 方法:用高阻抗封接膜片箝全细胞记录技术在培养的新生大鼠颈上神经节观察三环哌酯对烟碱诱发电流的作用。
