It will also help maintain heat in the tank versus it all venting out to the atmosphere.
另一个作用是保持水箱里的温度，防止热量全部散发到大气里。
The space ship was originally scheduled for lift-off on June 13, but was first postponed because of a leak associated with the hydrogen venting system outside the shuttle's external fuel tank.
奋进号"原定于6月13日发射，但因外部燃料箱某处有氢燃料泄漏而推迟了发射时间。
Measure the space where the existing electric water heater now sits (including necessary plumbing, venting and gas connections) and note its existing tank size.
测量现有的电热水器所占有的空间(包括必要的管道，通风和燃气连接)，注意现有的热水器容积大小。
If an uninsulated tank is filled with steam, the condensing rate due to ambient cooling may exceed the venting rates specified in this standard.
如果向一个非绝缘的储罐内通入蒸汽，在该标准中由环境造成的冷凝率可能超过了指定的排泄率。
If an uninsulated tank is filled with steam, the condensing rate due to ambient cooling may exceed the venting rates specified in this standard.
如果向一个非绝缘的储罐内通入蒸汽，在该标准中由环境造成的冷凝率可能超过了指定的排泄率。
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