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عموماً هر وسیله مکانیکی دارای یک سری ویژگیهای خاص است که بر اساس آن طبقهبندی و مدلسازی میشود. آسیبهای چکشی به خاطر مکانیزم سادهای که دارند تنها بر اساس دو معیار ظرفیت و سرعت سنجیده میشوند. این یعنی اگر قرار است میان مدلهای مختلف آن انتخاب کنید حتماً باید به این دو فاکتور توجه کنید: ظرفیت هر نوع از این آسیابها به عوامل بسیار زیادی بستگی دار...
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