1) altered diameter
变径
1.
Since the wellbore of small casing well has significant altered diameter,which makes isolation and blocking condition happen easily during running down the tool.
小套管井井身存在显著的变径,在工具下入过程中,极易发生阻隔现象,因此设计了配套的弹簧片导入装置。
2) mechanism of changing cylinder diameter
变径机构
3) borehole variations
井径变化
1.
Effect of borehole variations on borehole compensated sonic logging(BCSL) based on 2D finite-difference method(FDM);
基于二维有限差分法的井径变化对补偿声波测井响应的影响
4) reducing nozzle
变径段
5) deformation path
变形路径
1.
The simulation results show that the multi-step forming can optimize the deformation path of sheet metal,make the deformation more uniformly,effectively restrain wrinkles and improve the deformation capacity of sheet metal.
结果表明:多道次成形可以优化板材的变形路径,使变形均匀,有效地抑制起皱,提高板材成形能力。
2.
The deformation path of sheet metal is optimized.
变形路径对于板材的成形质量有着重要的影响。
6) fission track
裂变径迹
1.
Fission track study on the metallogenetic age of Xiayingfang gold deposit in eastern Hebei;
河北下营坊金矿成矿时代的裂变径迹研究
2.
Fission track etching condition of tourmaline;
电气石裂变径迹蚀刻条件研究
3.
Fission track dating and thermal history of Habahe rock body in Altai;
阿尔泰哈巴河岩体的裂变径迹年龄及热历史
补充资料：径径
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参考词条