试验结果为振动深松作业提供了一定的理论依据。
Test results provide theoretical basis for a further study of vibration mechanism.
在1997年，徐先生转投到潮州公会马松深中学出任校长。
In 1997, he became the Principal of CCPA Ma Chung Sum Secondary School.
在1997年，徐先生转投到潮州公会马松深中学出任校长。
In 1997, he became the Principal of CCPA Ma Chung Sum Secondary School.
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