定性分析 qualitative analysis
 定量分析 quantitative analysis
 檢疫泊地 quarantine anchorage
 淬火裂痕 quenching crack
 弧腳吊架 quadrant davit
 艉主甲板 quarter deck
 四脹汽機 quadruple-expansion engine
 質量因素 quality factor
 檢疫旗 quarantine flag
 舵柄弧,象限,象限儀,扇形板 quadrant
 四行鉚接 quadruple riveting
 四分之一波長天線 quarter-wave antenna
 準弧焊接 quasi arc welding
 側梁柱 quarter pillar
 扇形齒輪 quadrant gear
 資格鑒定試驗 qualification test
 檢疫艇 quarantine boat
 檢疫船 quarantine vessel
 夸(四分之一加侖) quart
 快速關閉門 quick acting door
 速接頭 quick coupling
 高速沖床 quick working punch
 直角彎管 quarter bend
 淬火及回火 quenched and tempered (qt)
 快速開閉艙蓋 quick acting hatch cover
 變質調整 qualitative governing
 配合等級 quality of fit
 流量控制調整 quantity-control governing
 扇形舵柄 quardrant tiller
 船室,住艙,船尾部,羅經(jīng)上四分之一點 quarter
 舵工 quarter master
 淬火液 quenching liquid
 檢疫旗 quarantine flag
 扇形舵柄 quadrant tiller
 艉側浪 quartering sea (or wave)
 淬火應力 quenching stress
 四級膨脹機 quadruple expansion engine
 定量分析 quantitative analysis
 檢疫 quarantine
 側梁柱 quarter pillar
 淬火及回火 qt (= quenched and tempered)
 品[質]管[制] quality control (qc)
 速斷開關 quick break switch
 應急快閉閥 quick closing emergency valve
 艉側浪 quarter sea
 管形軸 quill shaft
 艉欄桿 quarter rail
 弧腳吊架 quadrant davit
 四螺槳船 quadruple screw vessel
 質量因素 quality factor
 艉主甲板 quarter deck
 淬火回火鋼,調質鋼 quenched and tempered steel
 扇形肘板 quadrant bracket
 檢疫泊地 quarantine anchorage
 淬火,滅弧,急冷 quenching
 高速斷續(xù)開關 quick make and break type switch
 高速沖床 quick working punch
 五行鉚接 quintuple riveting
 定性分析 qualitative analysis
 快速冷凍 quick freezing
 消音幅度(方探) quality minima
 蒸汽干度 quality of steam
 艉欄桿 quarter rail
 急冷彎曲試驗 quench-bend test
 淬火溫度 quenching temperature
 緊急下潛 quick diving
 綴合鉚釘 quilting (or tack) rivet
 準推進系數(shù) quasi propulsive coefficient
 淬火裂痕 quenching crack
 四螺槳船 quadruple screw vessel
 扇形舵柄 quardrant tiller
 檢疫船 quarantine vessel