Make sure the power is switched off then tighten up all the bolts on the unit and replace the broken blade.
一定要关掉电源后旋紧所有的螺栓并更换刀片。
The chemical composition, metallographic structure, hardness and surface of fracture are analyzed herein for the broken blade and lacing wire in order to find the cause of blade fracture.
针对断裂叶片及拉筋进行了化学成分、金相组织、硬度、断口等分析，以便找到叶片断裂的原因。
Then let mine arm fall from my shoulder blade, and mine arm be broken from the bone.
情愿我的肩头从缺盆骨脱落，我的膀臂从羊矢骨折断。
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