V-grooved pulley

[化] 三角皮帶輪

?? 詞語(yǔ)組成解析

grooved
a. 帶紋道的;表面有溝槽的
pulley ['p?li]
n. 滑輪(組),滑車(chē);皮帶輪; v. 用滑輪升起,用滑車(chē)推動(dòng);給…裝滑車(chē);

??? 情景例句

It's so soothing.
是這樣的安詳。
You may be interested in only some of the items.
你也許對(duì)某些產(chǎn)品感興趣。
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是,如果要取得真正重大的進(jìn)展,需要有比這種裝置精細(xì)得多的儀器。
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