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Q queen 皇后,皇家级 QA quick-acting 怠速作用,怠速动作 QEAV quick exhaust air valve快速排气阀 QEV quick exhaust valve 快速排气阀 QOS quick operated start 快速起动(装置) QRV quick release valve 快速泄放(气)阀
Q queen QA quick-acting QE quick-acting QE quick-acting valve QE quick exhaust valve QE quick-acting valve Quick-release valve QV quick release valve Quick-release valve QRV quick release valve Quick- )valve