单选题英版海图和灯标表中，灯质旁括注“byday”的是指（）。A仅在白天显示的灯质B仅在雾天显示的灯质C临时灯灯质D航空灯标
单选题
英版海图和灯标表中，灯质旁括注“byday”的是指（）。
A
仅在白天显示的灯质
B
仅在雾天显示的灯质
C
临时灯灯质
D
航空灯标
参考解析
解析：
暂无解析
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