日本ULVAC真空泵NB罗茨泵系列>>NB100A/NB300A/NB600A/NB1200A>>NB100A/NB300A/NB600A/NB1200A罗茨泵PVD油旋片式真空泵系列>>PVD-N180/PVD-N360>>PVD-N180/PVD-N360油旋片式真空泵VS油旋片式真空泵系列>>VSN1501/VSN2401>>VSN1501/VSN2401油旋片式真空泵VD油旋片式真空泵>>VDN301/VDN401>>VDN301/VDN401油旋片式真空泵GLD油旋片式真空泵>>GLD-N051/GLD-N280>>GLD-N051/GLD-N280油旋片式真空泵GLD油旋片式真空泵>>GLD-N136/GLD-N201>>GLD-N136/GLD-N201油旋片式真空泵选购件>>TM151/TM201/TM401>>TM151/TM201/TM401/TM-3/TM-4选购件)