- 1. 起动用泵联轴器: starting up pump coupling
... stand-by pump coupling 备用 泵联轴器 starting up pump coupling 起动用泵联轴器 starting up stand-by pump coupling 起动备用泵联轴器 ...
dict.youdao.com - 2. 起动备用泵联轴器: starting up stand-by pump coupling
dict.youdao.com - 3. 起动用罐水泵联轴器: priming pump coupling
dict.youdao.com - 4. 起动用抽气泵联轴器: evacuation pump coupling
dict.youdao.com
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