英语词汇“sonic pile driver”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sonic pile driver
释义	sonic pile driver sonic pile driver A device for driving piles into soil by means of a hammer whose head is vibrated (usually at a frequency less than 6,000 times per minute); this vibration is transmitted to the tip of the pile, resulting in a penetration that is relatively rapid and quiet.
随便看	australian national flag association australian national genomic information service australian national herbarium specimen information register australian national homebrewing conference australian national imams council australian national insect collection australian national institute for theoretical astrophysics australian national judo championships australian national kennel council australian national marine data group australian national maritime museum australian national museum of education australian national opinion polls australian national parks and wildlife service australian national park sign standard australian national playwrights' centre australian national portrait gallery australian national psychic readings association australian national quality assurance program australian national radio news australian national radio observatory australian national road accident rescue association australian national rodent association australian national saddlehorse association inc. australian national schools network

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