大家帮忙看看这几个词用字这里是什么意思? 请大家直接看看红色的就可以,这些词用在句子里不知道是什么意思。 1.ALL STEAM LINES ARE TO HAVE DRIP LEGS WITH STEAM TRAPS UPSTREAM OF EACH ELEVATION INCREASE , AT THE END OF THE HEADER AND IN FRONT OF ALL CONTROL SETS AT THE LOW POINTS. 2.TUBE FITTING VALVES USED IN ANALYZER SAMPLE SYSTEMS SHALL BE WHITEY/SWAGELOK SEVERE SERVICE UNION BONNET VALVES WITH GRAFOIL PACKING. 3.ALL OPEN VENTS THAT ARE NOT CONTINUOUS, TO HAVE BUG SCREENS . 4. PUMP BASEPLATE DRAINS INSTALLED PER CLIENT STANDARD PUMPS WHICH ONLY HAVE DRIP PANS CAN USE 3/4 INCH TUBING AS AN ALTERNATE. PUMP CASING DRAINS ARE 3/4 PER PUMP TRIM PIPE SPEC 5.DIFFERENTIAL PRESSURE LEVEL MEASUREMENT WITH INTEGRAL DIAPHRAGM SEAL ON HIGH SIDE AND REMOTE DIAPHRAGM SEAL ON LOW SIDE. 6.FOR DOUBLE SUCTION CENTRIFUGAL PUMPS USE 20 PIPE DIAMETERS OF STRAIGHT RUN. 大家帮忙看看,尤其是红色的,十分感谢! 查看更多6个回答 . 1人已关注