1) afforested ditches
沟槽植树
2) intermittent furrow planter
间断开沟植树机
3) continuous furrow planter
连续开沟植树机
4) groove
[英][ɡru:v] [美][gruv]
沟槽
1.
Study on Pad Groove Design in Chemical Mechanical Polishing;
化学机械抛光中抛光垫表面沟槽的研究
2.
Analysis of tube burst resulted from the cavitation grooves on waterwall at the furnace arch of boiler;
锅炉折焰角水冷壁管空化沟槽造成爆管原因分析
5) Grooves
[英][gru:v] [美][gruv]
沟槽
1.
In the paper, the vacuum infusion molding process based on grooves was investigated by experiments, and the parameters of width, d e pth and spacing for flow grooves and spacing for supply grooves were optimized a ccording on the molding experiments and various factors that had influence on th e mold filling process were discussed.
真空注射成型工艺是一种新型的复合材料液体模塑成型工艺,对沟槽型真空注射成型工艺开展了实验研究,通过充模实验确定了引流槽的宽度、深度和槽间距及主槽的槽间距等工艺参数并进行了优化;对影响充模过程的各种因素进行了详细的讨论,并以夹芯面板的制作实例阐述了沟槽型真空注射成型的工艺过程。
2.
However, the rigid road surface poses strict requirements on proper roadbeds, whereas roads in town have many examining wells for underground pipes and grooves, which is potential threat to road surface and ~ cause its forepart breakage.
本文着重从城市道路最易出问题的环节:沟槽及检查井回填土质量、路基压实的质量、水泥混凝土面层施工工艺质量三方面论述水泥混凝土路面早期破坏机理,提出预防措施。
6) Furrow
[英]['fʌrəʊ] [美]['fɝo]
沟槽
1.
The Sand-Removing Machine Used between the Thin Wall Furrows of Cast Iron Parts;
铸铁件薄壁沟槽间用清砂机的研制
补充资料:植树节
植树节 arbor day 国家以法律形式规定的以宣传森林效益、并动员群众参加义务造林活动的节日。按时间长短分植树日、植树周、植树月,总称植树节。通过这种活动,提高人们对森林的认识,达到爱林护林和扩大森林资源、改善生态环境的目的。1872年美国内布拉斯加州决定自1885年起,每年4月22日为州植树节,以后美国各州以至世界各国根据其地理位置和气候条件确定各自的植树节。中华人民共和国1979年决定,每年3月12日为植树节。 |
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