English translation for "上弦下弦"

the first and last quarters

Related Translations:

下弦杆:  bottom boom barbottom chord barlow-boomlower boomlower chord

下弦支撑:  lower chord bracing

屋架下弦:  bottom chord of roof truss

折线下弦:  raised chord

拆下弦:  uncord

上弦或下弦:  quarter

屋架下弦标高:  roof truss lower chord elevation

下弦握杆:  bottom boom longitudinal bar

月下弦的:  decrescent

下弦杆应力:  bottom chord stress

Similar Words：

"上弦杆件" English translation, "上弦过紧的" English translation, "上弦横向水平支撑" English translation, "上弦或下弦" English translation, "上弦梁" English translation, "上弦小潮" English translation, "上弦与斜端杆的结点" English translation, "上弦与斜端杆结点" English translation, "上弦月" English translation, "上弦支撑" English translation