pressure burst＝ rock burst

CINQUIEME POSITION; FIFTH POSITION

plane position indication [= plane position indicator] {= PPI}

Position control(Position-keeping)

Position-to-position tool change time

QUATRIME POSITION; FOURTH POSITION

SECONDE POSITION; SECOND POSITION

TROISIME POSITION; THIRD POSITION

Access Burst Sequence AB

aerial burst bomb

air burst

air burst fuse

air-burst fire

alpha burst detector

analysis of pipe burst

Anti-burst

atomic air burst

atomic bomb burst

atomic burst

atomic surface burst