Also, if you go away from your house for awhile in the spring to fall, then you should fill up the tank before you leave. It will slowly evaporate through the loop seal.
此外，如果我们在春季至秋季这一段时期要离开家一段时间，我们应当在离家前将我们太阳能热水器的水箱注满。
The metal diaphragms act as the seal at the top of the valve. The primary improvement in this generation of valves is the elimination of the spring used to open the valve.
金属横膈膜在阀门的顶部作为密封。这一代阀门的主要的改进是取消了用于开启阀门的弹簧。
Changes in the spring performance will directly affect the mechanical seal face pressure.
弹簧性能的发生变化将会直接影响机械密封端面比压。
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