“double-acting hammer”的概念、定义、翻译、参考文献-科学参考

单词	double-acting hammer
释义	double-acting hammer [¦dǝb·ǝl ¦ak·tiŋ `ham·ǝr] ^METALLURGY A forging hammer in which the ram is raised and forced down by a charge of air or steam.
随便看	palmella stage palmelloid Palmer scan palmetto fiber palm grease palmierite palmitate palmitic acid palmitoleic acid palm kernel oil palm nut palm nut oil palm oil palm wax Palmyridae palouser palp palpable palpable coordinate palpal organ palpation Palpatores palpebra palpebral disk palpebral fissure

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