Three types of adjustable turning rolls: manual lead screw adjusting, manual bolt shifting and electric sliding plate shifting.
三种可调式滚轮架：手动丝杆可调式、手动螺栓移位式和电动滑板移位式。
2
Other general-use tools with applications in electric power wiring include screwdrivers, adjustable slip-joint pliers and drills.
其它通用工具包括螺丝刀，可调节的滑头钳和钻头。
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McFarland-Tritan, LLC Electric or Engine Driven Pumps are engineered for long low maintenance service. Fluid ends are manually adjustable while running.