Selection of the correct size pressure reducing valve is a relatively simple process.
正确选择减压阀的通径相对来说比较简单。
The key factor influenced on habitat selection in dry season was the tree size;
旱季影响小熊猫生境选择的关键因子是乔木胸径；
The key factor influenced on habitat selection in dry season was the tree size;
旱季影响小熊猫生境选择的关键因子是乔木胸径；
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