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Bidding documents can be obtained at the following address upon receipt of non-refundable payment of RMB ¥ 2799 each set.
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Much as we would like to cooperate with you, we just cannot accept your offer, as your price is too high to be workable.
To get you familiar with the new products we deal in, we are sending you, by airmail, a full set of catalogues for your reference.
曲柄摇杆机构中，曲柄为主动件时，_________为死点位置。
曲柄摇杆机构中，摇杆为主动件时，___________死点位置。
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