Whenever you need to change a blade or bit on a power tool, always disconnect the electricity to the power tool before even beginning the blade change.
你要更换刀具或给电动工具换位之前，都要切断电源。
By contrast, IPv6 USES 128-bit web addresses, creating billions of possible new web addresses - experts estimate it could assign a unique address for every blade of grass on the planet.
与之对照，IPv 6采用了128位地址，可以分配出数十亿个新地址——专家估计，这足够为地球上每棵草的所有叶片分配独一无二的地址。
Based on the inspection and analysis to the imported wear resisting components, the cutting blade and end bit of model D9L bulldozer were made using air cooled cast steel.
在检测分析进口抗磨件基础上，采用空冷贝氏体铸钢制造了D9L推土机铲刃、铲角。
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