opening the exhaust ports
closing the fuel ports
farthest from the cylinder head
nearest to the cylinder head
第1题:
Cars turn into dead weapons when they are driven carelessly.
dead应改为deadly[解析] dead意为“死的,无生命的”,而此处指“具有杀伤性的、致命的武器”,因此要用deadly。
略
第2题:
Which of the following provides the BEST security and accountability for a Data Center?()
第3题:
When the________is large, the ship is stiff;and when it is small,she is tender.
A.GM
B.Free surface
C.Longitudinal center of gravity
D.transverse center of gravity
第4题:
wide compression rings are used
oil rings are located above the piston
chromium plating is used on all piston rings
oil rings are located near the bottom of the piston skirt
第5题:
a exhaust valve
a piston skirt
a piston crown
an air suction valve
第6题:
Top Dead Center之中文名称为下死点.
第7题:
angularity of the piston motion
inertia moment from the piston
centerline of the cylinder
centerline of the king pin
第8题:
第9题:
jam in the most worn part of the cylinder when the rings expand
break in the most worn part of the cylinder when the rings expand
wear eccentrically on the side opposite the end gap
overheat and jam at the top center on the combustion stroke
第10题:
tension load twice each crankshaft revolution
compression load during power and compression strokes
inertia load once every four crankshaft revolutions
bending loads at bottom and top dead center