只有某些农场有条件购买大型农业机械了。
Only some of the farms could afford to buy large agricultural machinery.
在这种条件下，总机械能保持不变或机械能保存。
Under these conditions, the total mechanical energy remains constant, or is conserved.
具有组装线和机械操作经验将作为优选条件。
Rich experience in assembly line production and machinery operation would be an added advantage.
具有组装线和机械操作经验将作为优选条件。
Rich experience in assembly line production and machinery operation would be an added advantage.
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