Normal hammers slam into rock 30 to 60 times per second .
普通的气锤每秒冲击岩石30至60次。
They mainly used stone hammers , along with copper chisels for detailed finished work .
他们主要使用的是石锤,配合铜质的凿子来完成收尾的细节工作。
Lest we haven 't got the point yet holmes hammers it home .
唯恐我们不知道这点,福尔摩斯深入地摧毁了。
Policemen did little as demonstrators with hammers battered down a wall of concrete slabs put in place to protect the building .
警察并没有像带着铁锤的示威者那样猛击那面混凝土墙面使其到正确位置来保护建筑物。
" Our plan a is to use hydraulic hammers , " said brian krohmer , the project manager for the contractor overseeing the removal , barnard construction . " Plan b is explosives . "
Srebrenica shook the dutch belief that they could go around the world doing good while more primitive peoples , such as americans and britons , used hammers .
Taylor has used her growing collection of saws , hammers , screwdrivers , drills and so on to install light fixtures , lay a laminate floor , refit a bathroom and do her own plumbing .
That - they think ok , if we think words are the tools that we use to build the expressions of our thoughts , how can you say that screwdrivers are better than hammers ?
我这么说吧,假如我们承认词语是我们表达思想的工具,那怎么可以说螺丝刀就会比锤子好?
So , one evening every week , winston spent four hours of paralysing boredom , screwing together small bits of metal which were probably parts of bomb fuses , in a draughty , ill-lit workshop where the knocking of hammers mingled drearily with the music of the telescreens .