软煤层
seam───n.缝；接缝；vi.裂开；产生裂缝；vt.缝合；接合；使留下伤痕
soft───n.柔性；柔软的东西；柔软部分；adv.柔软地；温和地；adj.软的，柔软的；温柔的，温和的；软弱的；笨的
lapped seam───迭合接缝；搭接纵缝；叠合接缝；[皮革]搭接缝
felled seam───双折边叠缝；对折缝
notching seam───开槽缝
soft skill───软技能（社会学术语，指一个人的情商(EQ）、个性特征、社交礼仪、沟通能力、个人习惯、友好程度、以及处理人际关系的乐观态度。)
its soft───它很柔软
pet soft───宠物软
soft voice───轻声；低声；柔和的声音；轻声; 低声; 柔和的声音
At the present, the problem which is urgently to be solved in gas discharge is the drilling technology in soft coal seam gas discharge, especially the drilling technology of the deep hole.───目前在瓦斯抽放中急待解决的问题是软煤层瓦斯抽放的打钻技术，尤其是深孔打钻技术。
This paper puts forward support plan through analyzing strata behavior regularity of coal roadway in seam with soft roof, soft coal and soft floor.───文章通过对永华煤矿“三软煤层”煤巷矿压规律进行分析，提出了支护方案。
Based on the analysis of gas source at the working face with "three-soft" unsteady coal seam, the authors introduce the principle and method of gas suction by roof-rock drilling.───通过对“三软”不稳定煤层采煤工作面瓦斯来源的分析，介绍了采用顶板岩石钻孔抽放解决瓦斯问题的原理和方法。
Probe for Nitrogen Infusion Technology Applied to Heavy-Gas Soft-Seam Sublevel Caving-in Long Wall───高瓦斯易燃软煤层综放工作面注氮防灭火技术探讨
Monitoring and measuring technology for bolt-beam-steel mush support system in roadway driving along next goof in deep three soft seam───深部三软煤层沿空掘巷锚梁网支护监测技术
Practice on bolt and steel mesh support in high inclined and large cross section gateway of "three soft" seam with potential outburst───“三软”突出煤层大倾角、大断面巷道锚网支护实践
Firming Measures for Powered Supports Used in Mining of "Three Soft" Seam───“三软”煤层液压支架的稳固措施
Roof Caving Technology Used in Complicated "Three Soft" Seam───“三软”复杂煤层放顶煤开采技术
Bolt support technology and practices in seam gateway in deep inclined soft seam with potential outburst───大倾角松软突出煤层煤巷锚杆支护技术与实践