"刮削器"是个多义词,它可以指刮削器(名词解释),刮削器(濮阳市博物馆馆藏)。
石器组合包括:石核、石片、石锤、刮削器等。
The stone assemblage includes cores , flakes, choppers, scraper.
通过可调刮削器将金属切屑剥离,并关闭排放槽。
The metal swarf is stripped from the drum by adjustable scrapers and forced off the end of a discharge chute.
作用同弹簧式刮削器,但可减少甚至避免刮削管柱落井。
Its function is the same as the spring-type casing scraper, but it can decrease and even avoid that the scraped pipe-column falls in oil well.
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