英语词汇percussion piston怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
The DTH percussion-compact drilling is a high efficiency technology drilling in soil strata, which use the impact force produced by hammer piston to crush and compact soil.
潜孔锤冲击挤密钻进技术集冲击钻进、振动钻进及空气钻进的优点于一体，钻进效率高，成孔质量好，在土质地层钻进工程中有着广阔的应用前景。
2
The utility model is composed of a percussion device body, a piston, a percussion spring, a limiting pin, a shutter, a shutter torsion spring, a shutter pin, a torsion spring pin, etc.
它由击发器体、活塞、击发簧、限位销、活门、活门扭簧、活门销、扭簧销等部件组成。

单词	percussion piston
释义	percussion piston 简明释义撞击活塞网络释义短语 1 percussion-driven piston corer 撞击驱动活塞岩芯采样器双语例句 1 The DTH percussion-compact drilling is a high efficiency technology drilling in soil strata, which use the impact force produced by hammer piston to crush and compact soil. 潜孔锤冲击挤密钻进技术集冲击钻进、振动钻进及空气钻进的优点于一体，钻进效率高，成孔质量好，在土质地层钻进工程中有着广阔的应用前景。 2 The utility model is composed of a percussion device body, a piston, a percussion spring, a limiting pin, a shutter, a shutter torsion spring, a shutter pin, a torsion spring pin, etc. 它由击发器体、活塞、击发簧、限位销、活门、活门扭簧、活门销、扭簧销等部件组成。
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