half-screwed filling pile
half-screwed filling pile
半螺纹灌注桩
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The half-screwed filling pile is a new kind of pile which has advantages of high bearing capacity, low construction cost, convenient construction, non-environmental pollution.
螺杆灌注桩是一种承载力高、造价低、施工方便、无环境污染的新桩型。
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