What I do is that I select a hard stone hammer.
我要做的是，我选择一个坚硬的石锤。
The hard, woody, outer peel is so hard that it has to be cracked with a hammer.
木质硬壳硬到不得不用锤子才能砸出裂缝。
The babbitt adjustable Hammer-Blow Sprocket Rim is for use with hard to operate gate, globe and Angle valves in overhead locations.
对于高度超过头部，操作困难的闸阀、截止阀和角阀，可以采用巴氏可调节锤击链轮。
If you just get a hammer and hit it really hard, whatever it is, I guarantee you it'll open.
如果你拿一个锤子，用力敲打，不管它是什么，我向你保证你能打开它。
And what I do is, I select a hard stone hammer, in this case a quartzite pebble about the size of a cricket ball, and I elect to hit it in one place - and this is where I start to knap.
我要做的就是，选择一块够硬的石锤，这次我选这块是个头有板球大小的石英岩卵石。先挑个地方锤下去，接着我就开始从这地方开始凿了。
Hammer break Hammer Crusher for crushing all kinds of hard and abrasive weak materials.
锤破锤式破碎机用于破碎各种中硬且磨蚀性弱的物料。
Jones used to work all day in his shop and so hard working was he that at times he would make the sparks fly from his hammer.
琼斯是个非常勤劳的铁匠，常常一整天都在店里工作。他工作非常努力，他的铁锤下常常是火花飞舞。
Thee hardworking blacksmith Jones used to work all day in his shop and so hard working was he that at times he would make the sparks fly from his hammer.
琼斯是个非常勤劳的铁匠，常常一整天都在店里工作。他工作非常努力，他的铁锤下常常是火花飞舞。
The hardworking blacksmith Jones used to work all day in his shop and so hard working was he that at times he would make the sparks fly from his hammer.
琼斯是个非常勤劳的铁匠，常常一整天都在店里工作。他工作非常努力，他的铁锤下常常是火花飞舞。
The solution of problems such as water hammer, hard to dispose the noncondensables, air lock and selection of steam trap were discussed to save energy, protect environment and lower the cost.
指出蒸气凝结水回收的重要性的同时对炼油厂蒸气凝结水回收系统中存在的诸如水击、非凝结性气体不能排除、气阻及疏水阀的选型安装等问题的解决办法进行了探讨。
The solution of problems such as water hammer, hard to dispose the noncondensables, air lock and selection of steam trap were discussed to save energy, protect environment and lower the cost.
指出蒸气凝结水回收的重要性的同时对炼油厂蒸气凝结水回收系统中存在的诸如水击、非凝结性气体不能排除、气阻及疏水阀的选型安装等问题的解决办法进行了探讨。
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