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【多选题】
关于尺寸标注正确的是A.
图中尺寸如未加声明，单位为mm
B.
图纸中的尺寸数字需要带有单位，如15mm
C.
尺寸数值的大小需要根据所选比例确定
D.
图中尺寸为零件完工后尺寸
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【单选题】S1:Hello, Captain. Glad to meet you again. And it's really a pleasure to come on board your ship. Do you still remember me? My name is John Smith.S2:Oh, how are you, Mr. Smith? I do remember you. We m...
A.
It is steam-powered.
B.
It is diesel-powered.
C.
It is turbine-powered.
D.
It is nuclear-powered.
【单选题】S1:Hello, Captain. Glad to meet you again. And it's really a pleasure to come on board your ship. Do you still remember me? My name is John Smith.S2:Oh, how are you, Mr. Smith? I do remember you. We m...
A.
Tow years ago.
B.
Half a year ago.
C.
A year and half ago.
D.
A year ago.
【简答题】银镜粘贴应选用 玻璃胶, 发泡胶压出后起迅速膨胀,起填充孔洞,粘合的作用
【单选题】S1:Hello, Captain. Glad to meet you again. And it's really a pleasure to come on board your ship. Do you still remember me? My name is John Smith.S2:Oh, how are you, Mr. Smith? I do remember you. We m...
A.
The type of engine.
B.
The type of propeller.
C.
The navigational speed of the vessel.
D.
The steering gear and telegraph.
【单选题】S1:Hello, Captain. Glad to meet you again. And it's really a pleasure to come on board your ship. Do you still remember me? My name is John Smith.S2:Oh, how are you, Mr. Smith? I do remember you. We m...
A.
The vessel has five hatches, two forward of the birdge and three astern of it.
B.
The vessel's engine is single-screwed and her propeller is right-handed.
C.
The steering gear and telegraph are both in good working order.
D.
The gyrocompass of the vessel is about 2 degrees plus.
【单选题】I'm so glad to see you back, Lucy. How long _____ at your grandma's? [ ]
A.
had you stayed
B.
did you stay
C.
have you stayed
D.
do you stay
【简答题】德国正在运营的高速线及时速达200km的ICE列车的通行里程只占德国铁路总营业里程的1%和10%,却担负着( )的旅客周转量。
【单选题】I'm so glad to see you back，Lucy. How long at your grandma's？
A.
had you stayed
B.
did you stay
C.
have you stayed
D.
would you stay
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