中背办公椅 Mediumback executive chair ; Mediumyet again executive chair
中背经理椅 Managerial mediumback chair
大洋中背 mid ocean ridge
中背压系统 intermediate back-pressure system
中背片 [昆] mediotergite ; median dorsal
中背压泡沫分布系统 intermediate back-pressure foam distributing system
办公椅中背 Retro Aluminum Group Side Chairs
中背司理椅 Managerial mediumback chair
后中背片 [古生] posterior median dorsal plate
前中背片 [古生] anterior median dorsal plate
规格：高背，中背，弯管。
持续地下压小臂和手腕，提升肩膀，内收中背。
Continue to press your forearms and wrists into the floor, lift your shoulders, and draw your mid-thoracic spine in and up.
按应用范围又可分为低背压式、中背压式、高背压式压缩机。
According to the application and can be divided into low back pressure type, back pressure type, in high back pressure type compressor.
应用推荐