This text explicates practical application on portable type pit geologic detecting instrument in pit geologic detecting through concrete example.
通过实例，介绍了便携式矿井地质探测仪在矿井地质探测中的实际运用情况。
The research indicates that grinding the dented roller with a portable angle grinder and making the roller run in with harder billet are effective to eliminate the pit d…
研究表明，利用角向砂轮机对麻辊进行打磨并且利用高硬度小方坯来磨合麻辊辊齿，是一种消除低碳钢小方坯表面凹坑缺陷的有效方法。
There are 1500 seats at the auditorium of POLY THEATER, including 96 of portable seats at the orchestra's pit.
保利剧院观众厅共设有1500个座位，其中包括乐池的可活动座椅96个。
There are 1500 seats at the auditorium of POLY THEATER, including 96 of portable seats at the orchestra's pit.
保利剧院观众厅共设有1500个座位，其中包括乐池的可活动座椅96个。
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