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crawler的复数形式为：crawlers...
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The pool is divided into three sections with a crawler lane for beginners.泳池分三部分，有为初学者而设的慢泳道。A crawler, device of girth welds testing outside pipeline is developed successfully.成功地研制了管道外检测机械装置—爬行器.The Google crawler does...
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A crawler, device of girth welds testing outside pipeline is developed successfully.成功地研制了管道外检测机械装置—爬行器.The pool is divided into three sections with a crawler lane for beginners.泳池分三部分，有为初学者而设的慢泳道。The Google crawler does...
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crawler的音标：crawler的英式发音音标为：['krɔ:lə(r)]crawler的美式发音音标为：['krɔlɚ]...