?烙铁头 soldering bit
?烙铁铜头 soldering copper
?焊液(软焊用) soldering fluid
?软焊剂 soldering flux
?焊铁,烙铁 soldering iron
?焊具 soldering set
?压接型接头 solderless terminal
?舵跟材 sole (or shoe) piece
?底板,座板 sole plate
?电磁阀 solenoid valve
?无[空]气喷射 solid (or airless) injection
?固体压载 solid ballast
?烙铁铜头 soldering copper
?焊液(软焊用) soldering fluid
?软焊剂 soldering flux
?焊铁,烙铁 soldering iron
?焊具 soldering set
?压接型接头 solderless terminal
?舵跟材 sole (or shoe) piece
?底板,座板 sole plate
?电磁阀 solenoid valve
?无[空]气喷射 solid (or airless) injection
?固体压载 solid ballast
?整体轴承 solid bearing
?实体计算(电算) solid body calculation
?实体凸轮 solid cam
?干货整补站 solid cargo station
?整体铸件 solid casting
?厚水泥 solid cement
?实心 solid core
?整体曲柄 solid crank
?实心曲柄轴 solid crank shaft
?立体曲线 solid curve
?拉制管 solid drawn tube
?实体肋板 solid floor
?实心锻件 solid forging
?实[心]锻件 solid forging
?固体燃料 solid fuel
?实心柱 solid pillar
?整体舵针 solid pintle
?整体活塞 solid piston
?整体肋板 solid plate frame
?整体螺桨 solid propeller
?整体舵肋 solid rudder frame
?实心轴 solid shaft
?实心轴转子 solid shaft rotor
?固体废弃物 solid waste
?溶液热处理 solution heat treatment (SHT)
?溶剂 solvent
?声纳[导航仪] SONAR (= sound navigation and ranging)
?烟灰 soot
?吹灰器 soot blower
?烟门 soot door