多头小直径
multi-head and diminutive diameter
多头小直径深层搅拌防渗墙施工工法
construction method of multi-headed and small-radi
Construction Method of Multi-headed and Small-radius Deep Stir
多头小直径深层搅拌桩
multi-drill small-diameter deep-layer mixing pile
高效小直径深孔钻削系统
high efficiency drilling system for small and deep hole
少齿数小直径圆柱料齿轮
cylindrical helical gear with minority number of t
统一标准小直径螺纹
unified miniature screw thread
统一标准小直径螺纹规
unified miniature screw thread gauge
外通管路最小直径
customer bleed orifice diameter
小直径薄壁不锈钢焊管
Small－ sized light－ wall stainless steel weld tube
小直径补偿密度测井仪
slim compensated density logging tool
小直径低爆速炸药
minor-diameter low-speed detonator
小直径多管井
multiple string small diameter well