小直径石英压力计
small diameter quartz pressure gauge
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