When the personnel pass in and out, can pass the small door, the convenience is fast, reducing the door to open the number of times at the same time, extension service life.

人员进出时，可通过小门，方便快捷，同时减少门的开启次数，延长使用寿命。

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Structural design for entire aerosol, high quakeproof-like, enhanced equipments stability effectively, shocks proof extra-heavy, the steady low noise, the extension service life.

结构设计为全悬浮、高防震式，有效地提高了设备的稳定性，避震特强，平稳低噪音，延长使用寿命。

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And the high-pressured active bend use high density steel manufacture after the heat treatment, can guarantee the fixed work intensity of pressure like this, extension service life.

高压活性弯头使用高密度钢制造并且经过热处理，这样能够确保额定的工作压强，延长使用寿命。

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That will require not just technologically problematic "service life-extension" programs for aging weapons.

CENTERFORSECURITYPOLICY: Stopping START

The deployment of a replacement for the CH-46 will be postponed conservatively for five years probably necessitating an expensive service-life extension program for the CH-46s.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Right Way To Respond To The ��Too-Many-Air-Forces�� Criticism: Keep The V-22 Osprey Multi-Service And Multi-Mission

In his reply President Bush invites the UK to "participate at an early stage in any program to replace the D5 missiles or to discuss a further life extension - for your purposes - of the D5 missile to match the potential out-of-service date of your new submarines".

BBC: NEWS | UK | UK Politics | US to discuss UK Trident lifespan