loose pin

基本解釋

Also some important part is the bucket cylinder joint pin, the bushing, certainly must carry on the inspection to these place loose and tight.
還有一個重要的部分是鏟斗油缸連接銷、襯套，一定要對這些地方的松緊進行檢查。
The band drawing mechanism is composed of a band clamping slide block and a band drawing feed screw connected with a loose pin at one end of the slide block.
抽帶機構由一個夾帶滑塊和與滑塊一端活銷接的抽帶絲杠組成。
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Therefore, the lines will lose their original forms as well as meaning. In the end, the artist will pin the loose strips of black velvet to the white mattress.
最后，眾人和藝術家用大頭針將散亂在白色床墊上的黑色線條一一釘住，如同標本，行為結束。
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"It is possible that with an old, not properly maintained fifth wheel that the device can get loose, the sides can wear away, the hole that the pin fits into is no longer snug and rigid, " Scott said.
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