您要查找的是不是：
- 气密外壳（ex h) hermetically sealed enclosure(Ex h)
- 气密外壳 gas-tight casing
- 水密外壳 watertight case
- 气密箱 Gas-tight box
- 气密检查孔 airtight inspecting hole
- 气密式机器 airtight machine
- 气密钢板壳 airtight steel shell
- 气密性能 air tight performance
- 气密材料 air-tightness
- 气密机箱 airtight case
- 气密检测 airtightness detection
- 气密层胶 inner liner compound
- 高气密性 High air-sealed
- 气密检查设备 airtight inspecting equipment
- 利用曲轴扭振相位特性诊断机车柴油机气缸气密性的新方法 A new diagnosis method of individual cylinder gas leakage by phase analysis of crankshaft torsional vibration
- 列车气密性 air tightness
- 气密性实验 air-sealed test
- 气密性检查 airtight test
- 外窗气密性 external window air tightness
- 气密性封装 hermetic package
