miner’s inch
miner’s inch. A measurement of water discharge, equaling nine gallons per minute from a one-inch-square pipe. • The precise measurement of a miner’s inch varies in different localities.
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inch
inch n. (1)英寸 等于1/12英尺或2.540厘米。也等于旧时长度单位barleycorn的3倍。 (2)面积和体积的测量单位，可表示平方寸和立方寸 (→inch of water; miner’s inch)