The valve mechanism of the V6engine of passenger car BUICK is overhang valve, overhang camshaft type ad driven synchronized with tooth-shaped belt.
上海别克V6发动机配气机构为气门顶置、凸轮轴上置式,以齿形皮带同步传动。
Revenue for online advertising is on the rise, so serving the optimal type of AD could bring advertisers more money.
网络广告的收入正在增长,因此选择最佳的广告类型将为广告商带来更多收益。
The type of contract: long term, AD hoc, restricted time, unlimited time, etc.
合同的类型:长期的、临时的、限期的、无限期的,等等。
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