r40
r40
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R40 was hauling an empty coal freight train from Lin-Kou Power Plant .
牵引运煤空列车出林口电厂的R40。林口线。
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The R40 rotor spinning machine offers considerably enhanced potential for very high productivity by virture of improved spinning stability and maximum length .
R40转杯纺纱机结构合理,纺纱稳定性好,生产效率高。
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Basing on completing the peripheral circuit designing , we selected the T / R40 as the ultrasonic sensor and designed the ultrasonic eradiating circuit and receiving circuit .
在完成其外围电路的基础上,采用T/R40作为超声波传感器,并对超声波的发送和接收电路进行了设计。