英音
['kʌplɪŋz]

美音 ['kʌplɪŋz]

n. 连接( coupling的名词复数 );连接器;(尤指列车等的)车钩;挂钩
couplings 用法和例句
- Remove plug-in couplings from pressure and return lines .
- 从压力管和回流管上拆下插入式管接头。
- Valid uses of bad couplings also occur for performance reasons .
- 因为性能原因,有时也会需要使用坏的耦合。
- He pointed out that couplings between different species were sterile .
- 他指出,不同物种之间的联合是没有好处的。
- New plug-in couplings are already screwed together .
- 新的插入式管接头已经拧在一起。
- Insert canister and connect the two plug-in couplings .
- 插入碳罐并连接两个插入式管接头。