A.open
B.open front type
C.live front type
D.dead front type
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A.an injection process
B.an ejection process
C.a separation process
D.a heating process
A.O-ring
B.gasket
C.washer
D.packing
A.high temperatures
B.low temperatures
C.wet
D.dirty
A.speed settings
B.speed droops
C.speed drops
D.speed changes
A.speed setting
B.load setting
C.speed changing
D.load changing
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