少占车间的生产面积，合理安排装配工序，提高装配效率是制定装配工艺规程的依据。
参考答案：错
Do take each subject seriously in college and even though you learn isn’t important for your life, the learning skills you acquire will be something to be cherished forever.
A．when
B．where
C．which
D．what
为了提高测定选择性，避免干扰离子对测定的影响，可以在试样中预先加入（）
A.配位剂
B.沉淀剂
C.掩饰剂
D.氧化剂
