【名词&注释】
缓凝剂(retarder)、印模材料(impression materials)、滑石粉(talc)、舌下腺(sublingual gland)、颌下腺(submandibular gland)、胶结剂(cementing agent)
[多选题]以分泌浆液为主的腺体是
A. 腮腺 B. 颌下腺(submandibular gland) C. 舌下腺 D. 唇颊部黏膜下腺 E. 舌腭部黏膜下腺