Such signal shall be answered with a prolonged blast by any approaching vessel that may be within hearing around the bend or behind the intervening obstruction.

任何靠近弯道周围或中间障碍物后方可听到的船只应以长时间爆炸来回应此类信号。

(e) A vessel nearing a bend or an area of a channel or fairway where other vessels may be obscured by an intervening obstruction shall sound one prolonged blast.

(e) 靠近弯道或航道或航道区域的船舶，如果其他船舶可能被中间障碍物遮挡，则应发出一声长时间的爆炸声。

(b) A power-driven vessel underway but stopped and making no way through the water shall sound at intervals of not more than 2 minutes two prolonged blasts in succession with an interval of about 2 seconds between them.

(b) 航行中但已停止且无法通过水域的机动船舶，应以不超过 2 分钟的间隔连续鸣响两次长鸣声，两次鸣响之间的间隔约为 2 秒。