1) eat secretly
背着人吃
2) talk behind sb.'s back
背着人说话
3) The woman was carrying the baby on her back.
这妇人背着婴孩。
5) Back cutting depth
背吃刀量
1.
Based on the ultra precise turning experiments, the influences of feeds and back cutting depth on the cutting force in micro thin cutting are analyzed.
通过超精密车削试验 ,分析了微薄切削时进给量和背吃刀量对切削力的影响规律 ,指出吃刀抗力Ft的特殊变化将直接影响加工表面粗糙度 ,为保证超精密加工表面质量 ,应在合理范围内选取刀具进给
2.
Even if the date of back cutting depth is bigger in the parts of cutting velocity, the cutting system\'s chatter vibration might not be happened.
如果公称切削速度处于该稳定区域,即使背吃刀量较大,系统也不易发生颤振。
6) have as much food and clothing as one wants
吃着不尽
补充资料：背对背
背靠背。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条