一台支付密码器能够设置加载不少于（）个银行结算账号
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为什么过度加热灭菌会使培养基的色泽变深，有什么害处？
多功能电源屏I屏电源转换：I路转II路，将面板上1HK扳至断的位置再恢复至通的位置。
A. 正确
B. 错误
The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of（）.
A. one approved flotation cushion for each person on board
B. one approved life preserver for each person on board and one life ring
C. one approved inflatable vest for each person on board
D. lifeboat capacity equal to 1 1/2 times the number of persons on board
根据计量器具的定义，各类仪表都属于计量器具，因而有必要对其进行定期检定或校准
A. 正确
B. 错误
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