标准: standard; criterion; benchma ...管: pipe; tube的: 4次方是 The fourth power of 2 i ...环: ring; hoop标准体积管的净体积: net prover volume标准体积管: standard pipe prover单向标准体积管: unidirectional prover直管式标准体积管: straight pipe prover专用标准体积管: dedicated pipe prover标准体积管；管式校准器: pipe prover手动返回单向标准体积管: manual-return unidirectional prover标准体积: standard volume净标准体积: net standard volume环管的: canannular; vasicentric车装体积管: mobile pipe prover标准体: standards bodies基准体积: base volume; reference volume标准体长: standard length标准体系: information work of standards; standards system标准体系表: standard system table; standrds system table标准体型: standardizing body标准体重: standard body weight标准体，标准机盒: standards bodies标准体重系数: ideal body mass index次标准体标志: non-standard flag
