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Subject: Pressure Relief Check Valves dril. Пожалуйста, помогите перевести!Не понимаю с "seat arrangement which is fitted along the length of the Inner Tube prior to shipment to rigsite" The installation of the Pressure Relief Check Valves’s which are Check Valves that consist of a small trapped ball and seat arrangement which is fitted along the length of the Inner Tube prior to shipment to rigsite. Спасибо! |
| Седло клапана, которое для отправки на буровую укладывается вдоль внутренней трубы |
| спасибо! |
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