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【多选题】
新能源汽车日常维护包括A.
绝缘检测
B.
清洁
C.
调整
D.
安检
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举一反三
【简答题】Hollow blow mould
【单选题】The following is a point to be considered during the design of ingate in a sand mould
A.
Ingate should not be located near a protruding part of the mould to avoid the striking of vertical mould walls by the molten metal stream.
B.
Ingates should preferably be placed along the longitudinal axis of the mould wall.
C.
Ingates should not be placed near a core print or a chill.
D.
All of the above.
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