1) tectum perforations
覆盖层穿孔
1.
The results showed that the out forms of the four species of pollens are all kidney shaped,and have one clop and tectum perforations.
结果表明:4种植物花粉外部形态均为肾脏形,具单萌发沟;外壁纹饰为覆盖层穿孔。
2) omental enterocleisis
肠穿孔网膜覆盖术
3) coating indusion/interface layer
覆层/覆盖膜
4) Overburden
[英][,əʊvə'bɜ:dn] [美]['ovɚ'bɝdṇ]
覆盖层
1.
Test on vibrosinking piles in dam foundation overburden;
某水电站坝基覆盖层振冲桩试验
2.
The structural design of plinth slab on the overburdenfor Chakanwusu Project on the Kaidu River;
开都河察汗乌苏水电站覆盖层上趾板结构设计
3.
Application of Multichannel Transient Surface Wave Technique in Investigation for Overburden;
多道瞬态面波法在覆盖层调查中的应用
5) overburden layer
覆盖层
1.
The processing methods of overburden layer on Mg alloys and the correlative national standards;
镁合金表面覆盖层形成方法及相关国家标准
2.
Excavation of deep and thick overburden layer in the foundation pit of Daxia Hydropower Station in the second stage;
大峡水电站二期基坑深厚覆盖层开挖施工
3.
After change from open-pit mining to underground mining,the deep drill holes in Shangqing zone of Banshigou Iron Ore Mine meet in winter always the trouble of freezing due to thin thickness of overburden layer.
露天转入地下生产后,由于受到露天坑底覆盖层厚度的影响,井采冻孔问题一直是影响冬季生产的主要矛盾。
6) cladding coverboard
覆层盖板
1.
The principle,operation,advantages and disadvantages of six tests for the weld of cladding coverboard of Ti/Steel clad plate equipment is indroduced,that is visual inspection,nondestructive test(NDT),air tightness test,ammonia leak detecting,helium leak detecting,and hot gas cycle test.
介绍了钛/钢复合板设备钛覆层盖板焊缝6种检测方法(肉眼观察法、无损检测法、通气检查法、氨气检漏法、氦气检漏法和热气循环检测法)的检测原理。
补充资料：成都无缝钢管厂管坯在菌式穿孔机上穿孔
成都无缝钢管厂管坯在菌式穿孔机上穿孔
成都无缝钢管厂管坯在菌式穿孔机上穿孔
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条