...0℃ 外型体积(Exterior Dimension): 主机体重(Weight): 1.10Kg 不含手柄(Except handle) 接地电阻(Resistance to the ground): ≤2Ω(出厂值)(Out of factory) 接地电压(Voltage to the ground): ≤2mV(出厂值)(Out of factory) 烙铁手柄(Iron handle):...
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Air resistance then causes these crystals to lie nearly flat much of the time as they flutter to the ground.
而当它们飞舞着接近地面的时候,因为空气阻力的原因,它们会在空中水平漂浮很长时间。
If the rocks are moving about on ice rafts, the ground below cannot offer as much resistance against their motion and the winds needed for movement wouldn't have to be as great, he argued.
他提出,假设石头是在冰筏上移动的,地面的阻力不足以克制它们的移动,风力也不用那么大,就可以让石头动起来。
The high resistance ground has obvious advantages in reliability, safety and economy, which is worth to be popularized in a wider scope.
在可靠性、安全性和经济性等方面,高电阻接地有较明显的优势。高电阻接地还可以在较大范围推广应用。
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