PVT-206PVT-210PVT-316PVT-322PVT-206/35PVT-210/35PVT-316/35PVT-322/35PVT-206/70PVT-210/70PVT-316/70PVT-322/70PVT-206叶片泵PVT-210叶片泵PVT-316叶片泵PVT-322叶片泵PVT-206/35叶片泵PVT-210/35叶片泵PVT-316/35叶片泵PVT-322/35叶片泵PVT-206/70叶片泵PVT-210/70叶片泵PVT-316/70叶片泵PVT-322/70叶片泵PVT-220/140叶片泵)