long length of schooling  长学制

Long length additional  超长附加费

Long Length Rail  长定尺钢轨

LONG LENGTH TUNNEL  长大隧道

Long-length Infusion  远距离输液

long-length or extra length charge  超长附属费

DICOM Long long a way  漫漫长路中文走近

long sea [= long wave]  长浪; 长波

long-spanned and long-unit continuous girder bridge  长联大跨连续梁桥

anchorage length and lap length  锚固与搭接

length by length  一步一步地

length weighted length  重均长度

multi-length optical orthogonal code multi-length  复合长度光正交码

ratio of car body length to length between truck c  车辆长距比

ratio of pulse length to the total cycle length  脉冲比

span length of length bar  跨球距

(2+1)-dimensional dispersive long wave equation  2+1维色散长波方程

(2+1)-dimensional dispersive long wave system with variable coefficient  (2+1)维变系数色散长波系统

100 m Long Steel Rail  百米定尺钢轨