基本解釋n.微量元素同根派生 tracelement相關(guān)詞英漢例句Note: Tracel limits are divided into two kinds. One has two positions and another has four positions. Two-position actuators aresupplied as normal orders and four-position are supplied as special orders. 注:閥門電動(dòng)裝置中的行程控制機(jī)構(gòu)有二位置及四位置兩種,正常供貨為二位置,四位置需要特殊訂貨。tracelement更多例句