A small curve in the sliding part of the convex top of the lower nut acts as the wedge.
下螺母凸顶的滑动零件上有一条小弧线充当楔块。
You hold the lower nut with one spanner while you undo the top nut with another one-do you see what I mean?
你用板手固定住下面螺母，同时用另外一把扳手拧开上面螺母，你明白的意思吗？
You hold the lower nut with one spanner while you undo the top nut with another one - do you see what I mean?
你用板手固定住下面螺母，同时用另外一把扳手拧开上面螺母，你明白的意思吗？
When we turn the nut, we raise or lower the bob.
我们一转动螺母，就会升高或降低摆锤。
The feasibility of repetitive use of Fe-based shape memory alloy lock nut has been studied in order to lower the usage cost.
为了降低铁基形状记忆合金防松螺母的使用成本，探索了该新型螺母重复使用的可行性。
But after technicians managed to attach a large separation system bolt on the lower right side of the shuttle's belly, an internal nut slipped out of position and fell off.
但在技术人员将一个大的分离系统的螺栓连接到机腹右下侧位置时，一个内螺母滑脱掉落了。
Install new lower barrel, place new snap ring and new flange on the new lower barrel, fixed by bolt nut.
安装新埋管，把新卡环和新法兰套进新埋管里，用螺栓螺母与法兰固定。
Grasp upper and lower stem lock nut with wrench and loosen.
用扳手抓住上部和下部阀杆锁紧螺母并且松开。
The more nuts the mother ate while pregnant, or within a year before or after pregnancy, the lower the risk that the child would go on to develop nut allergies, Dr. Young said.
Young表示，母亲怀孕期间或者孕期前后一年内食用的坚果越多，孩子坚果过敏的风险越低。
Remove the lower suspension arm nut and bolt from the axle bracket.
从车轴支架上拆去上端悬吊臂螺帽和螺栓。
Carry on Korean pine nut unsaturated fatty acid extraction experiment by the press way, whose results indicate the yield was much lower than the one done by supercritical CO2 extraction method.
同时用压榨法进行红松种仁不饱和脂肪酸提取的对比实验，结果显示在实验条件下其提取的收率要远低于超临界CO_2萃取法。
Carry on Korean pine nut unsaturated fatty acid extraction experiment by the press way, whose results indicate the yield was much lower than the one done by supercritical CO2 extraction method.
同时用压榨法进行红松种仁不饱和脂肪酸提取的对比实验，结果显示在实验条件下其提取的收率要远低于超临界CO_2萃取法。
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