Pipe bends for rainwater pipes of circular cross - section ; testing 圓形截面雨水管用彎管.試驗(yàn)
Numerical simulation on power - law fluid flow in helical pipes with circular cross - section 螺旋管道內(nèi)冪律流體流動(dòng)數(shù)值模擬
Effect of torque on the elastic buckling of 3d spatial thin rods with circular cross - sections 扭矩對(duì)三維空間圓截面曲桿彈性屈曲的影響
Experimental studies on measurement of flow - rate based on maximum velocity on circular cross - section 用圓管中最大流速測(cè)量流量的實(shí)驗(yàn)研究
Plastic drums - non - removable head tight head circular cross - section drums with a nominal capacity of 20 l to 120 l 塑料圓桶.額定容量為20l至120l圓形截面的固定桶蓋
Conduits and fittints for electrical installations . circular cross - section , flexible , supple , heavy , metal conduits of type msb 地區(qū)設(shè)施導(dǎo)線和連接件. msb型圓截面撓性金屬軟導(dǎo)線