齒擦音 的英文怎麼說
中文拼音 [chǐcāyīn]
齒擦音
英文
sibilant-
The 9 - speed chainring release teeth and pick - up teeth are reprofiled for narrower chains, therefore you can not use an 8 - speed chain, and the pick - up teeth will make noise against the chain during minor cross chaining
9速齒盤的「釋放齒」與「撿拾齒」是針對更窄的鏈條進行設計的,因此不能使用8速鏈條與其搭配, 「撿拾齒」會在「較小交叉檔位」與鏈條摩擦產生噪音。
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