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【单选题】
轴上安装齿轮的部分称为________
A.
轴颈
B.
轴头
C.
轴身
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举一反三
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【单选题】组装齿轮箱吊杆前，需在齿轮箱端部螺纹和螺母处涂抹润滑剂（）
A.
PRIMIGHTS-100
B.
MolykoteG-nPaste
C.
Molykote1000
D.
3号锂基脂
相关题目：
【单选题】Passage 3 Questions 11 to 15 are based on the following passage: Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuel...
A.
Because bullocks have long been used by Indian people
B.
Because bullocks walk slowly and are easy to control.
C.
Because there are few non-working bullocks in India
D.
Because there is not enough oil in India.
【单选题】组装齿轮箱吊杆前，需在齿轮箱端部螺纹和螺母处涂抹润滑剂（）
A.
PRIMIGHTS-100
B.
MolykoteG-nPaste
C.
Molykote1000
D.
3号锂基脂
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