面粉按加工精度和用途可分为等级粉和专用粉。等级粉有可分为（）、标准粉和普通粉
参考答案：特制粉
液压传动的动力部分一般指()
A、电动机
B、液压泵
C、储能器
Their products enjoy 30 percent ____________of the market in this country because both
the quality and the service are fine. [ ]
A. features
B. share
C. discount
D. sales
