On the mantelpiece are a pair of bronze Ming vases.壁炉台上是一对明代的青铜花瓶。Eventually they reached a pair of ornately carved doors.他们最终来到一扇雕刻精美的对开门前。His surgical instruments were a knife and a pair of pincers.他的外科手术器械是一把刀和一把钳子。...
Objective : To study the determination of Aloin and Aloe Ploysaccharides in Aloe in Kaifeng market.目的: 考察开封市场芦荟药材中芦荟苷和芦荟多糖的含量.This paper reported a method for determining aloin in aloe products by RP - HPLC .采用甲醇直接超声提取、 ...
Put in the drawbar to the spindle shaft center hole.将连接杆放在主轴中心孔.The Y - frame drawbar is constructed from two solid beams that can bear more loads.牵引架为Y字型实心梁结构,能承受更大的负荷....