pressure differential stage cementing collar
内管法注水泥浮箍 stab-in cementing float collar 压差式分级箍 pressure differential stage cementing collar 机械式分级箍 mechanical stage cementing collar ..
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pressure differential stage cementing collar
压差级固井接箍
以上为机器翻译结果,长、整句建议使用 人工翻译 。