gun metal

名词 n.
中文释义

英文释义

名词 n.
  1. Alternative form of gunmetal. alt-of,alternative,countable,uncountable
    — The pump [of the steam fire-engine], being at the forward end, was made of gun metal and was double acting, having eight brass suction-valves, four on each side, and four discharge valves, opening into the air vessels, to which a double discharge valve, having one opening on the inside and two on the outside, was attached for the purpose of using two lines of hose.

词形变化

gun metals plural

词源

From gun + metal.
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