Jetometer
润滑油腐蚀性测定器
🗣️ 情景例句
Thank you.
谢谢 。
Better ask twice than lose you way once.
宁愿问路两次胜过迷路一次。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，