BEND
BEND-TEED
BOLT
CAP
COUPLING
CROSS
ELBOW
ELBOW-REDUCING
ELBOW-TEED
FILTER
FLANGE
FLANGE-BLIND
GASKET
INSTRUMENT
INSTRUMENT-3WAY
INSTRUMENT-ANGLE
LAPJOINT-STUBEND
MISC-COMPONENT
OLET
PIPE
REDUCER-CONCENTRIC
SUPPORT
TEE
TEESIDEOUTLET
TRAP
UNION
VALVE
VALVE-3WAY
VALVE-4WAY
VALVE-ANGLE
补充以下Component：
CLAMP
INSTRUMENT-ANGLE
INSTRUMENT-DIAL
INSTRUMENT-TEE
VALVE-MULTIWAY
PIPE-FIXED
REDUCER-ECCENTRIC
REINFORCEMENT-PAD
WELD
以及其它非Component：
BIP-IDENTIFIER
FLOOR-SYMBOL
FLOW-ARROW
INSULATION-SYMBOL
LOCATION-POINT
MESSAGE
MESSAGE-CIRCLE
MESSAGE-DIAMOND
MESSAGE-DOUBLE-CIRCLE
MESSAGE-ELLIPSE
MESSAGE-POINTED
MESSAGE-ROUND
MESSAGE-SQUARE
MESSAGE-TRIANGLE