“the straightway double-seater valve”的概念、定义、翻译、参考文献-科学参考

单词	the straightway double-seater valve
释义	the straightway double-seater valve Encyclopedia 工学直通双座阀释 the straightway double-seater valve直通双座阀流体流过阀体不改变流动方向，双座是指节流部分有两个阀座、两个阀芯的控制阀。
随便看	partial fraction decomposition partial fraction expansion partial fraction series partial fraction theorem partial function partial functional partial functional dependency partial functional-differential equation partial functor partial generalized gradient partial geometry partial graph partial group partial groupoid partial homomorphism partial hypergraph partial increment partial index partial information partial inner product partial inner product space partial integral partial integral of energy partial integration partial interference function

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