machinery oil[化] 机油machineryn.机械；(总称)机器machinery in NS class具有推进动力的ns级符号machinery accentuated[医] 机鸣状杂音machinery repair tool[化] 机修工具Machinery reliability机械可靠性machinery compartment机器间machinery design basis机械设计基础machinery of coal mine煤矿机械machinery repair parts[化] 机修用备件machinery and electron机电machinery parts design机械零件设计