英语词汇“portal clearance”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	portal clearance
释义	portal clearance 桥门限界;隧道峒门限界
随便看	cathode peaking cathode performance curve cathode phase inverter cathode photocurrent cathode pickling cathode plane cathode polarization cathode polarization potential cathode potential cathode potential regulator cathode potential stabilization cathode potential stabilized emitron cathode potential stabilized em-itron cathode-potential stabilized tube cathode potential stabilized tube cathode power connection cathode power lead cathode preheating time cathode process cathode product receiver cathode protection cathode protection method cathode pulsed triode oscillator cathode-pulsed triode oscillator cathode pulse modulation 黄花蛇服了叫化子耍黄花裛露开沙岸，碧水澄潭映远空。黄花鱼，溜边儿黄苓无假，阿魏无真。黄莺黄莺不打窝下食黄莺久住浑相识，欲别频啼四五声。黄莺久住浑相识，白鸟双飞不避人。黄莺久住浑相识，青雀西飞竟未回。黄莺也爱新凉好，飞过青山影里啼。シカカルシカクシカクシカクシカクシカクシカクシカクシカクイシカクシメン