1) sunk defect
塌角
1.
Research on the upset forging sunk defects of large full fiber crankshaft's balance block
大型全纤维曲轴平衡块成形塌角问题研究
2) gear crest point cave in
齿尖塌角
3) sunk volume
塌角量
4) edge flaw
边缘塌角
1.
This paper presents a measurement method of edge flaw on metal workpiece base on measurement way of chain elements flaw, taking a laser as light resource, CCD as receiving component, and a single chip microprocessor as data processing system.
文章以链片塌角的测量方法为例提出了一种金属工件边缘塌角的测量方法。
5) sink angle
塌陷角
1.
Based on the characteristic of sink angle β (for med by the mining-empty region and the rock terrane above it),a definition of comple mentary sink angle α(α<90°-β) is made and a set of maths models are created.
本文根据采空区上覆岩层沉降塌陷角β的特性,建立外塌陷角a<(90°-β)的概念及一套数学模型,用来定性定量分析煤矿软岩巷道围岩压力显现规律和压力平衡条件,做到精确选择支护强度。
6) comple-mentary angle
外塌陷角
补充资料：光塌塌
1.光秃貌;空荡无存貌。
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