1.
Study on the hammer material and quality of the upright impingement crusher
立式冲击破碎机锤头材料和质量的研究
2.
The Study on the Microstructure and Properties of Cast Wear-resistant Materials for Impeller Breaker Hammer;
铸造反击式破碎机锤头耐磨材料组织与性能的研究
3.
A Study on the UHMWPE/LDPE Composite Laminates under Quasi-Ststic Penetration and Drop Hammer Impact;
UHMWPE/LDPE复合材料准静态侵彻和落锤冲击性能研究
4.
Comparison between quasi-static indentation testing and drop-weight impact testing on delamination onset damage
复合材料静压痕与落锤冲击初始损伤对比试验
5.
Wood and stone are building materials.
木材和石头是建筑材料。
6.
A substance, such as wood or stone, that has been prepared for engraving.
木料，石料雕刻用的材料，如木头或石料
7.
A heavy metal body, especially the head of a power hammer.
锤头一种重的金属体，特指汽锤或打桩机的锤头
8.
To make a hole in (a hard material) with a drill
用钻头在(硬材料)上打孔.
9.
Standard test method for impact resistance of rigid plastic sheeting by means of a tup (falling weight)
GB/T11548-1989硬质塑料板材耐冲击性能试验方法(落锤法)
10.
Standard test method for impact resistance of thermoplastic pipe and fittings by means of a tup (falling weight)
GB/T6112-1985热塑性塑料管材和管件耐冲击性能的测定方法(落锤法)
11.
Impact Energy Testing and Control System of the Drop Hammer Material Testing Machine Based on Virtual Instrumentation;
基于虚拟仪器的落锤式材料试验机冲击能量测控系统
12.
A heavy hammer having a wedge-shaped head and used for splitting logs.
楔手重锤有楔形头的重锤，用于劈圆木
13.
Wood and stone are the only raw materials on the island.
木材和石头是这个岛上仅有的原材料。
14.
Wood and stone are the only raw materials on the island
木材和石头是这个岛上仅有的原材料
15.
shape from stone or wood or any other hard material.
用石头或者木头等硬性材料制作。
16.
domino, electrical, of plastic insulating material, not fitted with their terminals
电动多米诺,塑料绝缘材料制,未装线头
17.
connection strip, electrical, of plastic insulating material, not fitted with their terminals
电线接头条板,塑料绝缘材料制,未接接头
18.
connection strip, electrical, of plastic insulating material, not fittd with their terminals
电线接头条板,塑料绝缘材料制,未装接头