stepwise chain-end degradation是什么意思,stepwise chain-end degradation的中文翻译,stepwise chain-end degradation的用法例句-行业英语-优校网

网络释义

1)stepwise chain-end degradation,逐步链端退解2)stepwise chain-end degradation,逐步链端降解3)back-step welding,逐步退焊4)Step-back technique,逐步后退法5)backstepping,逐步退焊法6)step-by-step solution,逐步解法

用法例句

Methods Forty-five mesiobuccal root canals in fleshly extracted n u a a n molar teeth were instrumented by the step-back technique , the step-down technique or the passive step-back technique.

目的对逐步后退法、逐步深入法、被动逐步后退法(超声波与手用器械联合应用)三种不同方法预备后牙细弯根管的根管清理能力及操作时间进行比较研究。

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stepwise chain-end degradation是什么意思

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