声纳(声波定位仪)发出的声音常常刚刚达到张力的最大值。

A sonar pings just often enough to maximise the tension.

youdao

所以，就像在潜水艇电影里拍的一样，所有的目光都盯着压力表，所以的耳朵都听着声波定位仪。

So, as in submarine films, all eyes are on the pressure gauge, all ears on the sonar.

youdao

检测水压承受力的金属嘎吱作响、发出哀嚎；声纳(声波定位仪)发出的声音常常刚刚达到张力的最大值。

Metal tested to endurance creaks and groans; a sonar pings just often enough to maximise the tension.

youdao