自动关闭: auto offauto shut-offautomatic closingautomatic shutoffself closingself-closing
Example Sentences:
1.
The key to the figure 85 and 90m being able to withstand and operate in freezing weather is that the closing member ( seat disc ) is inside the heated building 型号85和90m能够承受冰冻气候并且在冰冻气候下正常运行的主要原因是由于关闭部件(阀座阀瓣)是位于有暖气的建筑物内部。
