That is a way of providing extra seating for a family outing, say, or of carrying luggage that will not fit in the leading vehicle.
比方说，这是全家远足时提供额外座位的一种办法，或者搬运前导车装不下的行李的一种办法。
Without qualification, if one had to choose between usual telephone lines or IP telephony for carrying the voice, the first would be a better fit for the needs of voice communications.
未经资格，如果选择了IP电话或一般电话线进行声音、首先是更好的适合话音通信需求。
Washing section for glass carrying is equipped with tension bridle device to fit requirement of high speed.
清洗段玻璃传送配有特殊的涨紧装置， 适应高速要求。
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