excussv.依法索取(债务)EXCn.开挖(激励器；排气关闭)excision of omental cyst网膜囊肿切除术excimer laser processing准分子激光加工Excisional biopsy of eye眼切除活组织检查Excision of lymphangioma淋巴管瘤切除术excavator working device挖掘机工作装置excimer pumped dye laser受激准分子泵浦染料激光器excavator type bulldozer簸箕式刀片推土机Excretory liver function肝排泄功能excretory duct of testis输精管excitonic molecule state激子分子状态

1. Take a look at the excurrent canal of certain sponges.
   请看看若干海绵之流出管。