单词	头砂
释义	头砂head双向☞ 头砂--粗砾石
随便看	short-time duty short-time exposure short-time fourier transform short-time integration short-time integration {=sti} short time interruption of voltage short-time load short-time loading short time loans short-time loan s short time memory short time memory device short-time mhd generator short-time operation short time over-current test short-time overload capacity short-time overload test short-time [quantity] short timer short-timer short-time-rated motor short time rating short-time rating short-time--rating short-time stability