国务院烟草专卖行政主管部门可以单独制定烟叶收购价格。
参考答案:错
Which will cause a wire rope to fail().
A.Using a medium graphite grease as a lubricant
B.Operating a winch too slow
C.Using a sheave with an undersized throat
D.A sheave diameter of 24 times the wire's diameter
同样条件下,平纹织物的拉伸强力比缎纹织物的拉伸强力()。
A.大
B.小
C.差不多