不规则形状的钣金展开件
irregular shape unbended sheet metal part
不规则形状基础
irregularly shaped foundation
形状不规则井网
irregularly-shaped pattern
沉积改造型似层状不规则状铅锌矿床
reworked sedimentary layeroid irregular Pb-Zn depo
不规则形小阴影
irregular small opacities
非规则形状钢样
steel sample of sharp irregularity
规则形状技术
uniform geometry technique