What does BTO/C stand for?

BTO/C stands for "break to open/close (valve torque)"

How to abbreviate "break to open/close (valve torque)"?

"break to open/close (valve torque)" can be abbreviated as BTO/C

What is the meaning of BTO/C abbreviation?

The meaning of BTO/C abbreviation is "break to open/close (valve torque)"

What does BTO/C mean?

BTO/C as abbreviation means "break to open/close (valve torque)"