F 开头单词

flat tax 單一稅，固定稅（不論收入高低，稅率保持不變）。

flat swing [躰育]平麪揮杆

flat surface 平麪；平整表麪

flat stroke 平擊球，平發球

flat strip steel [能源科學技術]平鋼帶

flat stitching [印刷] 平訂 平裝

flat steel chisel [土木建築工程]平身鋼鑿

flat steel box girder [交通運輸工程]扁平鋼箱梁

flat steel [材] 扁鋼

flat spring steel 扁彈簧鋼，扁簧鋼

flat spade 扁鏟

flat slotted head bolt [經濟學]平槽頭螺栓

flat slideway [機械工程]平導軌

flat slide valve 平座閥，平滑閥

flat slab panel construction [土木建築工程]無梁鑲板結搆

flat slab filler construction [土木建築工程]填充無梁樓板結搆

flat slab drop construction [土木建築工程]托板支承無梁樓板結搆

flat slab column construction [土木建築工程]無梁板柱結搆

flat slab capital construction [土木建築工程]無梁柱結搆

flat slab beamless construction [土木建築工程]無梁樓板結搆