直角弯头 [建] quarter bend ; square bend ; [建] square elbow ; [建] normal bend
焊接直角弯头 welded elbow ; welded ell
直角弯管接头 [机] elbow unions ; Square Elbow ; [机] rest bend
单侧偏心直角弯头 single offset quarter bend
石墨直角弯头 Graphite right angle bend
直角弯曲 right-angle bending ; right angle bending
直角弯管 quarter bend
直角转弯楼梯 quarter pace stair ; quarter turn stair
只听“轰隆隆”的一声，过山车突然拐了个直角弯，飞速地向下面的轨道滑行起来。
Only 1 that listens to "bomb Long Long" led a mountain car to suddenly turn a right angle to bend and flew soon to underneath of the orbit skidding get up.
保护管直线长度超过30 m时需加装接线盒，同一管线超过两个直角弯时应加设中间接线盒。
When the linear length of the protecting pipe is over 30m, the junction box should be added; and when there are more than 2 right-angle bends, junction box should be added between them.
所述弯棒呈 直角弯曲形状，所述弯棒一端与主杆固定连接，所述弯棒另一端垂直焊接有 一弯棒取销板；
The bent stick is in a right-angle bent shape, one end of the bent stick is fixedly connected with the main rod, and the other end is vertically welded with a pin taking board of the bent stick.
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