Extension Rule

folding extension rule

orebody lateral extension rule

Rule Extension

Semi-Extension Rule

rule against

Rule against perpetuities

CARPENTER’S RULE; RULE

extension set [= extension telephone set]

item extension and sequence extension pruning

left-hand rule (fleming’s rule for motors)

(strongly) excellent extension

Ⅰ crack extension

3D modling extension

60 years life extension

abdominal extension girth

abelian extension

Absent Extension Advice

absent extension diversion