Today it is necessary to contacttravel agencies in advance so as to decide on the best tour route possible.
现在，节假日出游需提前联系旅行社，以确定最好的旅游路线。
2
An extension line with a certain distance to the steel bar discharge hole is provided with a contacttravel switch. A wire is connected between the travel switch and a clutch electromagnet.
在距离钢筋出料口一定距离的延长线上设有一个接触式行程开关，行程开关与离合器电磁铁之间连接有导线。
3
For information of whether there is cholera in the area where you are travelling, contact your health care provider, local office of public health or travel health centre.