... 上行下给式 downfeed distribution 筒光 downlight 俯视景观 downward landscape ...
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短语
电筒光
torchlight
圆筒光阑
cylinder diaphragm
滚筒打光
barrel tumbling
滚筒砂光机
Drum sander
;
[木]
drum sanding
砑光滚筒
calender bowl
;
calender roller
滚筒磨光
barrel finishing
滚光筒
tumbling barrel
;
tumbler
;
rolling barrel
借着电筒光
in the torchlight
多叶集光筒
multidiaphragm collimator