lead seal liner hanger  铅封衬管悬挂器

drive-on lead seal adapter  压合式铅封接头

lead lead method  铅铅法年龄测定

lead seal  引线密封; 铅封; 封铅

lead seal casing patch tool  铅封式套管修补器

lead seal type hanger  铅封式悬挂器

lead-lead age  铅同位素年龄

red lead lead tetroxide  四氧化三铅

seal lead acid storage battery  密封式铅酸蓄电池

Single lead  单根电极; 单电极导线

single lead cable  单芯铅包电缆

single lead ECG  单导联心电图机

single-lead cable  单铅包揽线

single-lead coaxial cable  单芯同轴电缆

valve controled seal lead acid storage battery  内燃机车用阀控式密封酸铅蓄电池

valve controls the type seal lead-acid battery  阀控式密封铅酸蓄电池

cylinder liner seal  气缸缸套密封

face seal seal joint  端面密封密封连接

liner seal  缸套密封圈