英语词汇“approach signal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	approach signal
释义	approach signal approach signal [ə′prōch ‚sig·nəl] (civil engineering) A railway signal warning an engineer of a signal ahead that displays a restrictive indication.
随便看	oxa oxa- oxacid oxacillin oxacillin and aminoglycoside-resistant staphylococcus aureus oxacillin resistant screening agar base oxacillin resistant staph aureus oxacillin-resistant staphylococcus aureus oxacillin-resistant staphylococcus epidermidis oxacillin-sensitive staphylococcus aureus oxacillin sodium oxa complex of protein translocators oxadiazoles oxadiazon oxal oxal- oxalacetate oxalacetic acid oxalaemia oxalaldehyde oxalan oxalantin oxalate oxalate calculi oxalate calculus

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