... 搅动(混合)：agitator 脚动开关：foot-operated switch 绞接船头救援艇：high-bow rescue boat ...
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Foot Operated Power Switch 脚踏式电源开关
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The digital display provides readout to three decimal places. The machine is foot switch operated leaving both hands free to handle materials safely and rapidly to sure accurate readings.
数字式显示读数为小数点以后三位，为了保证精确的读数，该机采用脚开关操作，以便操作者的双手可拿住被测材料进快速和安全的测试。
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