船舶 n. 1.rock breaker 2. 又称 :碎石锤(drop chisel)
n. knapper
misc. spalling hammer ; ballast hammer
建筑工人只好动员家中二老，到河滩去摸鹅卵石，然后全家一起把石头锤成葡萄大小的碎石，拿去交差。
The construction worker enlisted his elderly parents to scour creek beds and fields for rocks that the family smashed by hand into grape-size stones.
随哥哥们一起到矿山里的碎石厂锤石头挣钱为父亲治病，减轻母亲的工作压力来维持家庭的生计；
Hammered stones for stone breaking plant in the mine with elder brothers to make money to cure father's illness and to release the financial burden of family.
锤破锤式破碎机还用于破碎纤维结构、弹性和韧性较强的碎石头、破碎石棉瓦、水泥的生料等。
Hammer break Hammer Crusher is also used broken fiber structure, strong flexibility and toughness with gravel, broken asbestos cement raw materials.
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