结论:在侧向加压法根管充填中,试尖可明显改善充填质量。
Conclusions: the trial point test may improve the quality of obturation with lateral compaction.
本文介绍了广东液化天然气输气干线工程应用的清管测径试压技术。
This paper introduced the technology of pigging, diameter measuring & pressure testing for Guangdong LNG trunk-line.
当弯曲试板上的最大应变等于波纹管的最大局部应变时,板的弯曲疲劳试验寿命即可代替波纹管的试验寿命。
The fatigue test of the bellows expansion joints is replaced by the bent fatigue test of plates when the maximum strain of bent test plates equals to the local strain of bellows expansion joints.
用北京室内饲养的麦长管蚜以16种新老农药品种用点滴法进行了敏感水平测定,建立了麦长管蚜对16种供试农药的毒力基线。
Susceptibility levels of grain aphids reared in the insectary to 16 pesticides are examined in Beijing and the toxicity base lines have been established.
用北京室内饲养的麦长管蚜以16种新老农药品种用点滴法进行了敏感水平测定,建立了麦长管蚜对16种供试农药的毒力基线。
Susceptibility levels of grain aphids reared in the insectary to 16 pesticides are examined in Beijing and the toxicity base lines have been established.
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