n. One who, or that which, compensates; -- a name applied
to various mechanical devices.
n. An iron plate or magnet placed near the compass on
iron vessels to neutralize the effect of the ship's attraction on the
needle.
n. 赔偿者, 自耦变压器, 补偿物
[化] 补偿器; 补偿剂; 张力调节器; 松紧调节辊