The mobility test part comprises a sprue gate, a melting liquid cavity and an exhaust hole.
流动性试验部件包括浇注口、熔液腔和排气孔。
Buy some copper screen and cut out pieces to go over all vent openings and the fan exhaust hole.
购买一些编织铜网，割成片状，包裹所有的机箱开口和散热风扇孔。
An intake hole and an exhaust hole are formed through the outer surface of the exhaust channel unit.
进气孔和排气孔穿过排气通道单元的外表面而形成。
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