Viscosimat
粘度自动调节器
🗣️ 情景例句
but this is an important opportunity.
但这是一次很重要的机会。
Could you say it again?
你能再说一遍吗？
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，