【简答题】This product is designed to achieve excellent performance when used with genuine Canon accessories. Canon shall not be liable for any damage to this product and / or accidents such as fire, etc., caus...
【简答题】The mass fraction of C is ω ( C ) = 0.944 in a 2.00 g non-volatile hydrocarbon. It is dissolved in 100 g of benzene at 20 °C, causing the vapor pressure of benzene reducing from 9.9538 kPa to 9.8672 ...