单词	pre-set diaphragm
释义	pre-set diaphragm n.预置光阑
随便看	margin of scar Margin of scar margin of security margin of solvency margin of speed margin of spleen,anterior margin of spleen,inferior margin of spleen,posterior margin of stability margin of strength margin of subsistence margin of suprarenal gland,inferior margin of suprarenal gland,medial margin of suprarenal gland,superior margin of temperature rise margin of terror margin of testis margin of testis,anterior margin of testis,external margin of testis, external margin of testis,internal margin of testis,posterior margin of the eyelid margin of the lower eyelid margin of the page