名词
中文翻译:Unknown
同义词:
['filler', 'plug', 'backfill']
例句:
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1. The engineer used a special pitprop to fill the hole in the wall.
工程师使用一种特殊的填充物来填补墙上的洞。
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2. The construction crew was using a pitprop to backfill the area where the foundation had been dug.
施工队正在使用一种填充物来回填地基挖掘的区域。
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3. The company uses a specialized pitprop to stabilize the soil and prevent erosion.
该公司使用一种专门的填充物来稳定土壤并防止侵蚀。