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发布时间:2013-09-11 12:03:51

 (1) common faults of AC contactor   1) Abnormal noise. Contactor at the normal work condition buzzes, similar with transformer in work. Big noise indicates that the contactor has faults. The reasons are that the circuit voltage is less than 85% of rated voltage, that pressure among conta.........【阅读全文】

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发布时间:2013-09-11 11:53:05

LB explosion- proof single-girder Overhead Crane,based on “LD”, is designed and manufactured according to GB3836.1-2000 and GB3836.2-2000.
Overhead Crane Features......【阅读全文】

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发布时间:2013-09-11 08:24:13

Ship- building gantry crane is available for general service.........【阅读全文】

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发布时间:2013-09-11 08:24:10

This MDG type of crane is mainly applied to port gantry crane, freight yard...........【阅读全文】

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发布时间:2013-09-11 08:24:07

This jib crane has such features as compact structure, safe and smooth loading.........【阅读全文】

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