Gb3797-89
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Gb3797-89
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WebGB/T 3797-1989 English Version - GB/T 3797-1989 Electric-driving controlgear―Part 2: Electric-driving controlgear incorporating electronic devices (English Version): GB/T … Web本参数>和相关国际标准进行设计和制造，所有主要组件均符合 API 技术要求。 这种钻机在使用 114mm (4-1/2”)钻杆条件下，适合额定钻深 7000 米的石油和天然气的勘探开发。 The features are as follows: 主要特征如下： - Fully meet 7000 meter drilling process requirements; - 完全满足 7000 米钻井工艺要求； - DC motor drive drawworks, rotary …
WebGB3797-89 A segunda parte de equipamento electrónico de controlo: Equipamento de Controle Eletrônico equipadas com dispositivos electrónicos 6. GB4720-84 a primeira parte da unidade Electric Equipment Controle: Baixa Tensão equipamentos eléctricos de controlo 7. Outras normas básicas 8. WebGB3797-89 The Second Part of Electronic Control Equipment: Electronic Control Equipment Equipped with electronic devices 6. GB4720-84 The First Part of Electric Drive Control Equipment: Low Voltage Electrical Control Equipment 7. Other basic standards 8. Standards or technical and economic indicators regulated by contract or technical appendix
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