Quick opening operation door, convenient and quick to replace and clean the screen.
快启式操作门，换筛及时清理方便快捷。
Shift full opening operation door, maintenance and replacement of hammer are convenient.
移位全开式操作门，方便检修及更换锤片。
Many private galleries are in operation, with many more opening each year.
很多私人画廊也在经营，每年会有很多新的画廊开业。
Many private galleries are in operation, with many more opening each year.
很多私人画廊也在经营，每年会有很多新的画廊开业。
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