生物转化按其化学反应性质概括为两相反应:_______________、________________和____________为第一相反应;_______________为第二相反应。
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Measure () by means of lead wire.
A. the clearance of the main bearing
B. the play of the miler bearing
C. the gap of the main bearing
D. the tolerance of the main bearing
邮政储蓄客户在网点柜台所办理的正式挂失每户收取手续费1元。
A. 正确
B. 错误