Serimeter
验丝计, 生丝强伸力计(验单丝用)
🗣️ 情景例句
However, through my experience in business at home and abroad.
但从事国内外的商业的经历中。
The first element of success is the determination to succeed.
成功的首要因素是要有成功的决心。
Yes?
什么事？