“pin (needle-plug) valve”的概念、定义、翻译、参考文献-科学参考

单词	pin (needle-plug) valve
释义	pin (needle-plug) valve 针阀
随便看	exponential order exponential oscillation exponential part exponential part format exponential phase exponential phase of growth exponential pile exponential pulse exponential quantity exponential random variable exponential reactor exponential region exponential relationship exponential rigidty spectrum exponential rising exponential series exponential service exponential smoothing exponential spectrum exponential subroutine exponential sum exponential survival curve exponential sweep exponential sweep generator exponential tail (曲线)

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