在同一地域范围内,改变“物”的存放、支撑状态的活动称为装卸;改变“物”的空间位置的活动称为搬运。
参考答案:对
A pregnant client is taking folic acid. During prenatal teaching, which of the following foods would the nurse recommend as high in folic acid
A. Egg yolks.B. Fruit.C. Bread.D. Milk.
放样基准就是零件上用来确定其它点、线、面位置的依据。( )