?塔顶甲板    turret deck

?六角车床,多角车床    turret lathe

?圆舷甲板船    turret vessel

?鲸背甲板    turtle (or whale) back deck

?中甲板    tween deck

?甲板间垫材    tween deck ceiling

?甲板间内衬板    tween deck ceiling

?甲板间肋骨    tween deck frame

?甲板间梯    tween deck ladder

?甲板间    tween decks

?二十呎货柜[相]当[数]量    twenty feet equivalent unit (TEU)

?斜纹织    twill weave

?双[胴]船体    twin bull (or catamaran)

?双绞电缆    twin cable

?二凸轮轴型(反转装置)    twin cam shaft type

?二芯电缆    twin core cable

?双层甲板船    twin deck vessel

?双[胴]体船    twin hull

?二滚子型(反转装置)    twin roller type

?双舵    twin rudder

?双螺桨船    twin screw ship

?双螺桨船    twin screw vessel

?前后顺序填角潜弧焊    twin tendem fillet welding (TTF)

?双绞    twin twisted

?帆布线    twine

?双拼吊柜架(货柜)    twin-lift spreader

?扭转锁定器    twist lock

?扭转导波管    twist wave guide

?扭曲叶片    twisted blade

?扭矩    twisting moment

?扭曲试验    twisting test

?双拐曲柄轴    two (or double) throw crank-shaft

?双叶螺桨    two bladed propeller

?双拖[网]渔船    two boat trawler

?二衡程[动力]机    two cycle (or stroke) engine

?二冲程引擎    two cycle (or stroke) engine

?双重复滑车组    two fold purchase

?二相    two phase

?二[段螺]距螺桨    two pitch propeller

?二位置动作型    two position action type

?双额定点泵    two rated points pump

?二船台建造方式    two ship way building system