二等面粉  clear flour

小麦面粉面筋含量  the content of wheat gluten

小麦面粉面条  wheat flour noodle

面粉粉质  flour quality

（工艺、艺术上等用的）树胶制品  Gum; gumtree

[曲面上的]测地圆  geodesic circle [of a surface

{210}面上的微形貌与负条纹  micromorphology and negative striations on a {210

α-肾上面腺素受体  Adrenoceptor

爱尔兰上等细麻布  Irish lawn

白底蓝直条的上等棉布  Galatea

保持在看得见岸的海面上  keep an offing

背面上厚胶地毯  unitary backing

背面上浆  back sizing

蓓带多德单面上浆机  Betty Dodd backfilling machine

绷在小鼓下方鼓面上的弦线  bordones

比勒费尔德上等亚麻布  Bielefeld

壁上小便器  stall urinal

表面上  Surface; on the surface; ostensibly; Seeming

表面上的  apparent; on the face of things; prima facie: at first appearance; lip-deep; Seeming; ostensible