scrapers

n.

刮刀( scraper的名词复数 )；刮的人；平土机；铲土机

scraper conveyor刮板式运输机

scraper conveyer刮板输送机

chain scraper conveyor n. 链板输送机

ice scraper刮冰机

"Crackers, breakers, stretchers, drillers, scrapers, shavers, burners, welders and melters"--the future treatment of atherosclerotic...
STEEL STRIP FOR SPREADING KNIVES, DOCTOR BLADES AND CREPE SCRAPERS AND POWDER METALLURGICAL METHOD FOR PRODUCING THE SAME
Interpreting typological variation of Middle Paleolithic scrapers: Function, style, or sequence of reduction?
Automatic dung channel cleaner with one-way hinged scrapers
Molded plastic paraffin scrapers and centralizers
The southern route "out of Africa": evidence for an early expansion of modern humans into Arabia.
Structure and Production of a Benthic Insect Assemblage in a Neotropical Stream
The colonization of beringia and the peopling of the new world.
Blade technology and tool forms in the Middle Stone Age of South Africa: the Howiesons Poort and post-Howiesons Poort at Rose Cottag...
Macroinvertebrate response to logging in coastal headwater streams of Washington, U.S.A.