?窗撑

... 扇形空窗撑杆 quadrant stay 窗撑 sash stay; window fastener; window stay 撑杆 arm-tie; bar stay; brace rod; brace strut; force piece; jackstay; overarm support; stay; stay bar; stay-pole; straight pole brace; brace◇撑杆角铁 brace angle; 撑杆座 strut socket ...