Good air tightness 气密性好
With very good air-tightness, can conduct reaction under negative pressure and easily assemble distillation, reflow device.
有很好的气密性可在负压下反应方便地组装成蒸馏回流装置。
Our insulating glass, soundproof and heat resistant, is good at water & air tightness and can proof water and wind.
中空玻璃设计，隔音隔热，具有极佳的水密性和气密性，防风防水。
The device can be based on user needs frames for automatic processing, high accuracy, high strength, Angular Department and good air tightness.
该设备能够根据用户要求的尺寸和形状进行自动折弯，具有精度高、铝框插接缝少、折角处气密性好等优点。
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