“holddown”的概念、定义、翻译、参考文献-科学参考

单词	holddown
释义	holddown [`hōl´dau̇n] ^METALLURGY A device that holds the outer portion of a metal sheet in place during deep-drawing operations in order to keep it from becoming wrinkled. ^{PETROLEUM ENGINEERING} A device to anchor an oil well rod pump in its position.
随便看	ammoniated mercuric chloride ammoniated mercury ammoniated superphosphate ammoniation ammonia valve ammonia water ammonification ammonifiers ammonioborite ammoniojarosite ammonite ammonium ammonium acetate ammonium alginate ammonium alum ammonium aluminum sulfate ammonium benzoate ammonium bicarbonate ammonium bichromate ammonium bifluoride ammonium bitartrate ammonium borate ammonium bromide ammonium carbamate ammonium carbonate

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