Assertion: bellow | /r/ObjectUse | used in expansion
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Bellows may be used both in compression and expansion.
text: When relatively low pressures are to be measured, the bellows will usually be used in expansion.
text: Since these absolute pressure sensors are generally used to measure low pressures, the bellows are not equipped with calibrated springs and they are used in expansion.