差动电阻式观测仪器力学特性参数率定的项目有哪些?
参考答案:
差动电阻式观测仪器力学特性参数率定的项目有最小读数,端基线性度误差、回差、重复性、温度补偿系数。
People are often made ________ by the ________ man.
A.laugh; interested
B.to laugh; interested
C.laugh; interesting
D.to laugh; interesting
跳汰分选钻石的介质是()。
A.水
B.重液
C.油液
D.蜡液