English translation for "sound signals in restricted visibility"

能见度不良时的声号
能见度不良时使用的声号

Related Translations:

moderate visibility:  能见度中常中常能见度中等能见度中能见度

restricted restricting bushing:  节流衬套

restricted basin:  封隔盆地局限盆地受限海盆受限盆地

restricted areas:  飞行制限空域

restricted enzyme:  限制性内切酶

restricted item:  受限制物品

restricted guarantee:  有限保证

restricted randomization:  限制随机化

restricted call:  限制呼叫

restrict negotiation:  限制议付

Similar Words：

"sound signaling system" English translation, "sound signalling" English translation, "sound signalling appliance" English translation, "sound signalling device" English translation, "sound signals buoy" English translation, "sound simulation" English translation, "sound sleep" English translation, "sound someone out" English translation, "sound source" English translation, "sound source level" English translation