杠杆式差动调节，即可手动又可脚动，使操作变的简单自如，最适合伸缩面料的各种缝制要求。
The lever type differential adjustment can be made by hand or by foot to make the operation simply and freely. it is capable for sewing various flexible fabrics.
本实用新型涉及到通风机领域，是一种通风机差动导叶调节装置。
The utility model relates to the field of a fan, particularly a regulating device for a differential guide vane of the fan.
调节构件允许改变差动探测尖端的间距。
An adjustment member allows variable spacing of the differential probing tips.
调节构件允许改变差动探测尖端的间距。
An adjustment member allows variable spacing of the differential probing tips.
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