平衡含水量
参考答案：
种子在一定的温度和空气相对湿度条件下，吸湿作用和解吸作用处于平衡的水分含量。
Mr. Smith thought of himself as _______,and this accident had ________ effect on his life.
A．a failure; a
B．failure; an
C．a failure; an
D．failure; the
将转子靠向工作瓦块来定零位的机组，轴向位移所指示的负数值大小，反映了汽轮机运行时推力盘处的轴向位移量.
