Flexible tubesheet
[化] 挠性管板
🧩 词语组成解析
[化] 管板
🗣️ 情景例句
Keep this information confidential, other companies would kill to get their hands on this.
这些资料可要保密，其他公司千方百计想得到它。
We don't have an extension.
我们没有分机。
He's from England.
从英国。