the caliper on sth
用 on 引出卡钳所安装的位置或部件。
The caliper on the front wheel had seized completely.
前轮上的制动钳彻底卡死了。
制动钳；卡钳
calipers — plural of caliper
盘式制动器中夹持制动衬块的部分。；测径规
盘式制动器中夹持制动衬块的部分。
The part of a disc brake that holds the brake pads.
I used a caliper to measure the diameter of the pipe.
我用卡钳测量了管子的直径。
用法提示：句中caliper作为名词，表示测量工具。
The calipers are essential for precise machining.
卡钳对于精密加工至关重要。
用法提示：句中calipers为caliper的复数形式，作主语。
She adjusted the digital caliper before taking the reading.
她在读取数据前调整了数字卡钳。
用法提示：句中caliper为名词，带有形容词digital修饰。
用 on 引出卡钳所安装的位置或部件。
The caliper on the front wheel had seized completely.
前轮上的制动钳彻底卡死了。
用 that 引导的定语从句说明卡钳的功能或故障表现。
A caliper that sticks can make the brake disc overheat.
卡滞的制动钳会使制动盘过热。
caliper 放在另一名词前作定语，表示该部件属于制动钳。
He replaced the caliper piston and the seals.
他更换了制动钳活塞和密封件。
grammar · medium
易错句子The mechanic replaced both front caliper.
正确表达The mechanic replaced both front calipers.
英语可数名词在 both 后必须用复数形式；汉语名词本身不标复数，容易漏掉 -s。这里指两个前轮制动钳，所以要用 calipers。
grammar · medium
易错句子Caliper holds the brake pads.
正确表达The caliper holds the brake pads.
英语单数可数名词在句中通常需要限定词；汉语可以光杆名词开头，所以容易漏冠词。这里特指制动钳，用 the 才符合英语规则。
grammar · medium
易错句子The caliper hold the brake pads.
正确表达The caliper holds the brake pads.
一般现在时中，第三人称单数主语 the caliper 后的动词要加 -s；汉语动词没有人称变化，容易漏掉这个标记。
clamp 是通用的夹紧工具或装置；caliper 是盘式制动器中跨在制动盘上、夹持制动衬块的专用部件，不能泛指一般夹具。
pliers 是手持的夹持、弯折工具，通常有铰接的两臂；caliper 是固定在制动系统上的部件，不能拿在手里使用。
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