Conclusion PE-SWD contributes a lot to traumatic brain edema or secondary brain injury.
结论海水淹溺性肺水肿可加重创伤性脑水肿与继发性脑损伤。
Seismic while drilling(SWD)integrates both seismic exploration technology and drilling technology.
随钻地震是地震勘探技术和钻井技术的结合。
In the present SWD survey, roller-cone bit is widely used because of its advantages in signals recording and processing.
由于牙轮钻头在信号采集、处理等方面的优势，现阶段随钻地震测量主要采用的是牙轮钻头。
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