Modular check construction featuring nonreversible checks with captured springs for simplified servicing.
模块回阀结构特点在于不可逆回，配维修的复位弹簧。
A strainer is recommended to be installed ahead of the backflow preventer to prevent the fouling of the check assembly and resulting spillage from the valve during repressurization.
建议在回流阀前安装一个过滤，由于回阀总成受到污染而导致这种阀门在再增压期间产生泄漏或溢出。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
Critical pre-launch tests have been hampered by issues with propellant loading and a malfunctioning helium check valve.
关键的发射前测进剂装载问题和氦止回阀故障而受阻。
You might have to rig a shoestring, coat hanger, or stick to keep the float up or the flapper down to free up your hands.
你可能需要临时用、架或木棍来固定浮球或止回阀，以便腾出双手。
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划词翻译
详细解释
回阀结构特点在于不可逆
回流阀前安装一个过滤
，
进剂装载问题和氦
何长大成人 家政篇
、
架或木棍来固定浮球或
