Closed impeller
[建] 隐闭叶轮
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
n. 推进者, 叶轮\\n[化] 叶轮
🗣️ 情景例句
Is room service available?
有房间服务吗？
Gordon was not upset by his failure.
哥顿对他的失误既不惊讶也不生气。
That all depends on the size of the order.
这要订购量的多寡。