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- 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。
- 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。
- 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。
- The gas tightness test of aux. Air reservoir. 副空气瓶密性试验。
- The gas tightness test of service air reservoir. 日用空气瓶密性试验。
- The tightness test for high-pressure air pipes. 高压空气管密性提交。
- The tightness test of fore(mid-ship)draft valve. 艏(舯)吃水阀密性试验。
- The tightness test of hull valve. 舷旁阀密性提交。
- 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。
- The tightness test of main boiler. 主锅炉密性试验。
- Gas tightness test of control air reservoir. 控制空气瓶密性试验。
- 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。
- 25．All watertight doors on main deck need to be removed，repaired，refitted and water tightness tested. 所有水密门拆下，修后装复，并进行水密试验。
- Lobby doors to be done operation test and tightness test. 通道门操作和密性试验。
- The tightness test of inlet valve for emergency fire pump. 应急消防泵进水阀密性试验。
- 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。
- Cleaning and tightness test should be done about correlation piping. 3相关管路清洁完毕，并经过密性试验、验收结束。
- Air tightness test for auxiliary boiler (economize boiler) on board. 辅锅炉（废气锅炉）装船后气密试验。
- Inspection installation and water tightness transducer of echo sounder on berth. 测深仪换能器船台安装和水密性检查。
