...自给式压缩空气操作呼吸器 self-contain compressed air-operated breathing apparatus 自动升降式平台 self elevation platform 半组合曲柄轴 semi built-up crank shaft ..
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self-elevation drilling platform 自升式钻井平台
self-elevation offshore platform 自升式海上钻井平台
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As a mobile ocean platform, and owing to its high positioning capacity and good operation stability, the self-elevation drilling platform takes a leading role in continetial shelf exploration.
自升式钻井平台属于海上移动式平台，由于其定位能力强且作业稳定性好，在大陆架的勘探开发中居主力军地位。
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