当丝条偏离假捻皮圈中心时,丝条的解捻张力将()。
A、减少
B、增加
C、对张力不产生影响
D、张力大幅度波动
参考答案:B
—Li Mei usually helps others, ________?
—Yes, she is kind-hearted. [ ]
A. does she
B. is she
C. doesn't she
饮片库房室温和相对湿度应控制在()。
A.15℃,60%
B.15℃,75%
C.20℃,75%
D.25℃,60%
E.25℃,75%