Modular check construction featuring nonreversible checks with captured springs for simplified servicing.
模块化阀结构特点在不可逆，简化维修的复位弹簧。
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.
建议在流阀前安装一个过滤器，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.
关射前测试因推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.
你可能需要临时用鞋带、衣架或木定浮球或止回阀，以便腾出双手。
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划词翻译
详细解释
阀结构特点在
不可逆
简化维修的复位弹簧。
射前测试因推进剂装载问题和氦
何长大成人 家政篇
定浮球或
