1) hole digging resistance
打洞阻力
1.
Based on the field test of five differenttines, the relations between tine structure ’tine diameter and hole digging resistance are ob-tained.
该文论述了草坪通气机刀具打洞阻力的理论和实验研究，在对五种用于草坪通气机刀具实地测试的基础上，得出了刀具结构与打洞阻力、刀具直径与打洞阻力之间的关系，并通过数学回归建立了刀具打洞阻力与草坪土壤硬度、含水率之间的数学模型，为草坪通气机的设计提供了理论依据。
2) striking resistance
打点阻力
3) pile driving resistance
打桩阻力
4) weaving resistance
打纬阻力
1.
Aiming at the determination of weaving variables such as weaving resistance,through force analysis of weaving weft in beating-up period,tension relation between the front and back warps of weaving weft is given,and the expressions of elastic resistance,frictional resistance and total resistance exerted on weaving weft by single warp are deduced.
针对打纬阻力等织造变量的确定问题,通过对打纬过程纬纱的受力分析,给出所织纬前后侧经纱张力的关系式,建立了经纱对纬纱的弹性阻力、摩擦阻力和总阻力的表达式。
2.
Influences of weaving resistance and loom speed on the reed-base′s elastic displacement at front extreme position are studied.
为织造纬纱按预期方式疏密分布的疏密纬织物,在分析四连杆打纬机构筘座前心位置影响因素的基础上,针对某型喷气织机的四连杆打纬机构,建立了打纬机构的弹性动力学模型,定量分析了打纬阻力和织机车速对前心位置的筘座弹性位移量的影响,获得了筘座弹性位移量随打纬阻力和织机车速的变化曲线,并进行了验证。
5) dynamic pile driving resistance
动力打桩阻力
6) driving resistance
桩的打入阻力
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