单项选择题
A.0.10mmB.0.15mmC.0.20mmD.0.25mm
A.10kWB.20kWC.30kWD.40kW
A.1~2mmB.1~3mmC.2~3mmD.2~4mm
A.0.1~0.3mmB.0.1~0.2mmC.0.2~0.4mmD.1.2~1.4mm
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