切丝机液压系统过滤器的滤芯的功能是除去油中的（）.
参考答案：沉淀和赃物
Some experts argue that the reason why the price of houses can’t drop is that the supply is not ______ to the demand.
A．adequate
B．sensitive
C．entire
D．accessible
科技创新对产业发展起来哪些决定性的作用？
