一次空气 primary air
热门单词
- 一向分类[组] one-way classification
- 一式三份
- 一杯黄土
- 一盘磁带 magnetic tape reel
- 一致门 coincidence gate
- 丁字风向标 {工} landing tee; wind tee
- 丁省
- 万事顺利
- 三体结团 {物} three-body cluster
- 三叶草慢波线 cloverleaf slow wave line
- 三叶草绿 shamrock
- 三座大山
- 三棱镜摄谱仪 three-prism spectrograph
- 三氯铁胆青盐 ferrobilin
- 三相六线制 three-phase six-wire system
- 三级胺 tertiary amine
- 三结合
- 三维平差 three-dimensional adjustment
- 上呼吸道感染 infection of the upper respiratory tract
- 上年纪
- 上座率 attendance; audience attendance; occupancy
