primary line switch：第一次侍線機(jī)

原級電感 primary inductance | 第一次侍線機(jī) primary line switch | 一次干線 primary main

primary line switch：一次線路開關(guān)

"primary emission","原發(fā)射" | "primary line switch","一次線路開關(guān)" | "primary main","一次干線,主干線"

primary sun wheel：初級太陽齒輪,初級太陽輪

primary sun gear ==> 初級太陽齒輪 | primary sun wheel ==> 初級太陽齒輪,初級太陽輪 | primary supply point ==> 主要補(bǔ)給點(diǎn)

primary plant enclosed operating statin：動力裝置閉式操縱臺

primary planet 主行星 | primary plant enclosed operating statin 動力裝置閉式操縱臺 | primary plant enclosed operating station 動力裝置閉式操縱臺

Primary genital syphilis：初期生殖器梅毒

初期生殖器梅毒 Primary genital syphilis | 原發(fā)性雙側(cè)膝關(guān)節(jié)病 Primary gonarthrosis bilateral | 原發(fā)性醛固酮增多癥(低腎素性醛固酮增多癥)[康恩氏病] Primary hyperaldosteronism

primary color：基色

primary circular reaction 初期循環(huán)反應(yīng) 初期循環(huán)反應(yīng) | primary color 基色 | primary concept 基本概念

primary cell：原電池;一次性電池

primary battery 原電池 | primary cell 原電池;一次性電池 | primary circuit 初級電路

primary cell wall：初生胞壁,初生壁

primary cell ==> 原電池 | primary cell wall ==> 初生胞壁,初生壁 | primary cellulose acetate ==> 纖維素三醋酸酯

primary pneumonic plague：原發(fā)性肺炎型鼠疫

primary plate ==> 原板 | primary pneumonic plague ==> 原發(fā)性肺炎型鼠疫 | primary port ==> 主要港口

primary glueing：一次膠合,初步膠合

primary function 原函數(shù),主函數(shù),主功能 | primary glueing 一次膠合,初步膠合 | primary graphite 初生石墨