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
Summer is vacation time.
夏季是度假的好时机。
Would you like to arrange for a personal interview?
你想安排面谈吗？
If one side fails to observe the contract,the other side is entitled to cancel it.
如果一方不履行合同协议，另一方则有权终止合同。