酸处理的有效作用距离，是一个颇多争议的问题。
The effectively acting distance of acidizing treatment is a problem with quite more disputes.
VHF通信系统：有效作用距离35海里，具有多频道录音功能。
VHF Communication System: Effective range of 35 miles with multi-channel recording function.
酸压施工的成功与否主要取决于酸液有效作用距离和酸蚀裂缝导流能力。
Whether the treatment successes or not mainly depends on the acid etched fracture conductivity and effective distance of acid-rock reaction.
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