二级: two stage; two level; second ...负荷: load; charge; weight级负荷: stage load三级负荷: third class load一级负荷: first class load中级负荷交通: medium duty traffic二级: two stage; two level; second level; secondary; second 这船列入二级。the ship rates as second次级负载: secondary burden; secondaryburden次级负债: secondary liquidity高级负责人: executive负荷: [电学] load; charge; weight 安全负荷 safe load; 超负荷 overload; 容许负荷 the permissible load; 最大负荷 peak load; 测定各个轮胎负荷 (量) determine the full load on each tyre各级负责机构: line authority激励级负载级: driver load line激励级负载线: driver load line逐级负载变化: step load change次级,二级: sec secondary第二级: second stage◇第二级电压范围(30伏至175伏) second voltage range; 第二级校正 second-order correction二级泵: two-stage pump二级波: secondary wave二级刺: secondary spine二级的: double stage; double-stage; second level; second order; second-class; second-degree; secondary; two-step二级风: light breeze; wind of beaufort force 2二级根: root of the second order二级弓: secondary arch二级管: diode
