Stepped sprue
[机] 分级进模口
🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
n. 浇口, 熔渣, 口炎性腹泻\\n[化] 浇口; 铸口; 流道
🗣️ 情景例句
Don't worry, Richard.
别担心， Richard。
He is a gentle horse that never cast his rider.
驯良的马绝不会把骑手甩倒。
If you insist, I will comply with your request.
如果你坚持，我们会遵照你的要求。