by hammering meaning in English

用锤敲去

General specifications of mechanical crusher and divider by hammer
锤式破碎缩分联合制样机通用技术条件
A heavy block of iron or steel with a smooth , flat top on which metals are shaped by hammering
铁砧顶端平整光滑用来锤锻金属成型的厚重的钢块或铁块
It was hard and tough , but he could shape it by hammering ( probably with heavy stones )
它质地坚韧，但人可以把它打成各种形状（可能是用大石块锤打）。
( 3 ) in order to prove multi - point exciting experiment good , we employ traditional ergography ( hammering method ) to make experiment , peak value pick - up method to modal identification , and compare identification result by hammering method with vibration table experiment . the result revel that vibration table experiment can obtain larger energy and more adequately excite
在重频、密频时、在试验试件的结构巨大,需要大的能量激励才能充分激出完全模态时、在一激励点为某阶感兴趣模态的节点时,都需要用多点激励的方法。