Ears of Corn when young and light, stand bolt upright, but hang their

正因如此，未長熟的玉米穗傲然

The tree top axis installing hangs head on the support should use the bolt type to fastening to prevent the cap nut pine to fall causing the tree top axial translation deactivation to hang the head, bringing with the breaking axis accident

支架上安裝掛頭的梢軸應采用螺栓式緊固美女视频黄是免费的，防止螺帽松落日本人人操人人射高清DVD播放，造成梢軸移位卡死掛頭，引發(fā)斷軸事故

It has a rotary wing unit attached to a tricycle assembly through a hang bolt.

它有一個旋轉(zhuǎn)翼單位重視三輪車大會通過杭螺栓黄色视频精品在线。

to hang by a hair：千鈞一發(fā)

a bolt from the b1ue 晴天霹靂 | to hang by a hair 千鈞一發(fā) | to show one's colors 原形畢露