speed check tape
... 测试装置 test set 测速带 speed check tape 测天 observation ...
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卷带式测速传感装置。
Tape coiling velocity measuring sensor device.
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电机带有测温元件以监控温度，还带有电子测速装置、需要时可带高压油顶起装置。
Motor has thermo-elements to monitor temperature, electronic tachometer and high pressure oil jacking device when needed. The excitation device currently uses micro- computer control device.
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