keyholen.钥匙孔；（篮球）罚球区adj.内幕的；偷偷打听的keyhole-mode welding穿透型焊接法,小孔型等离子弧焊keyhole bubble generator键裂磁泡发生器keyhole limpet homocyanin钥孔血兰素keyhole limpet hemocyanin钥孔虫戚血兰素, 钉形贝血蓝蛋白, 钥孔戚血蓝素Keyhole limpet haemocyanin钥孔戚血蓝蛋白keyhole specimen test piece冲击弯曲试验用的钥匙孔试样Keyhole-limpet hemocyanin镇眼帽贝血蓝蛋白keyhole mode plasma are welding小孔型等离子弧焊接keyhole Charpy impact test specimen钥匙形缺口冲击试样Keyhole through association ambi-geison approach双侧眉弓锁孔入路