Water well drill rod for eue in even -like, attaches according to the petroleum drilling tool size processing, also may defer to the user request processing.
水井钻杆为外加厚内平式，接头按照石油钻具尺寸加工，也可按照用户要求加工。
Must act according to the user request the span design manufacture.
还要根据用户要求的跨度设计制造。
The method comprises the following steps: invoking an audio playing program according to an audio playing request which is resolved from a received user operation message;
一种音频快速播放方法及装置，包括：根据接收的用户操作信息解析出的音频播 放请求，调用音频播放程序；
The method comprises the following steps: invoking an audio playing program according to an audio playing request which is resolved from a received user operation message;
一种音频快速播放方法及装置，包括：根据接收的用户操作信息解析出的音频播 放请求，调用音频播放程序；
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