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.
该聚 乙烯管氧化皮刮削器，包括刀具；其特征在于，还包括底架、固定架；
The peeler for eliminating the polyethylene pipe oxidizing layer comprises a knife tool, which is characterized in that the peeler also comprises an underframe and a fixed bracket;
石制品中有典型的楔形、船底形石核；工具有长身圆头刮削器、雕刻器和锛形器等。
Among them boat or cuneiformed cores and stone tools such as long scrapers with round edges, engravers and adze-shaped blades are found largely.
FXF非旋转稳定器（橡胶套稳定器）是钻井作业中为保护井壁不受刮削而制作的专用工具。
The FXF type non-rotating stabilizer (rubber sleeve stabilizer )is a special tool in drilling to avoid blade wear and wall damage.
FXF非旋转稳定器（橡胶套稳定器）是钻井作业中为保护井壁不受刮削而制作的专用工具。
The FXF type non-rotating stabilizer (rubber sleeve stabilizer )is a special tool in drilling to avoid blade wear and wall damage.
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