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- 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。
- 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。
- 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。
- Inspection installation and water tight for log's underwater parts on berth. 计程仪水下部分船台安装和水密性检查。
- Inspection installation and water tight transducer of echo sounder on berth. 测深仪的换能器船台安装和水密性检查。
- 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。
- Paper is moisture-dilative (Lotus leaf edges), wavy self-crimping paper is volatile water tight. 纸张吸干扩张即爆不收荷叶外（海浪不神笔直），纸张招不收火分即爆不收不紧外。
- Flexibility and hosing test for small water tight hatch cover(water tight door and window). 水密小舱口盖(水密门、窗)启闭灵活性检查。
- 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。
- Before the using of tremie it should be tested for water tight, with the water pressure of at least 1.5 times in the hole. 导管在使用前，进行水密试验，水压不小于孔内水深压力的1.;5倍，不合格的不得使用。
- 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。
- Carts that becme warped preventing water tightness are unacceptable. 因为筒变形而不能很好的装水是我们不允许的。
