词汇	varying service
释义	varying service 发变化球
随便看	water pressure regulation water-pressure regulation water pressure regulation, pressure regulation water pressure regulator water-pressure regulator water pressure relay water-pressure relay water pressures water pressure tank water pressure tank, elevated tank water pressure test water-pressure test water pressure tester water-pressure tester water pressure test for compartment water pressure test for strength water pressure test for strength and tightness water pressure test for tightness water pressure test for tight-ness water pressure test in borehole water pressure testing board water pressure test of borehole water pressure transferring water pressure transition state water pressure type sounding