DVD Differential Delay Valve 差压延迟阀
vacuum delay valve 真空延迟阀
forward delay valve 前置延迟阀
CKDL-VLV Check Delay Valve 单向延迟阀
dual ignition delay valve 双点火延迟阀
distributor vacuum delay valve 分电盘真空延迟阀
vacuum retard delay valve 真空阻尼延迟阀
power heat delay valve 电热延迟阀
retard delay valve 减速延迟阀
The first delay was weather-related, the second was due to a faulty valve.
第一次延期与天气有关，第二次是由于一个阀门出现故障。
The valve use medium pressure of its own, control and turn off with a delay function to eliminate or alleviate the water hammer.
利用介质自身的压力，控制并具有延时关闭功能，从而消除或缓解水锤的智能型止回阀。
The first delay was weather-related, the second was due to a faulty valve.
首次推迟是由于天气，第二次是由于阀门故障。
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