蝴蝶一般色彩鲜艳,翅膀和身板有各类花斑,头部有一对于棒状或锤状触角。
General colorful butterflies, the wings and body there are various piebald head rod or a pair of hammer-like tentacles.
不钻,锤或胶提出了一个恼人的挑战。
No drilling, hammering or gluing presents an annoying challenge.
水井钻井工可能会专注于一个特定的钻探方法,如电缆,旋转,钻,锤或反向循环钻探。
Water well drillers may specialize in a specific method of drilling, such as cable, rotary, auger, hammer or reverse circulation drilling.
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