?装卸孔

... 装卸料点，加料出料点：load unload point 装卸孔：handling hole 装卸货物口岸：loading port and destination ...

?操酌孔

... handle 柄 handling hole 操酌孔 handling 操纵;处理 ...

?拉铃孔

... 拉铃孔 handling hole 拉模孔形状 die profile 拉筋孔 lacing hole ...

?吊装孔

... nickel-plated 电镀的 handling hole;lifting hole 吊装孔 parallel 平行块 ...