用bottle neck造句子，“bottle neck”造句

6、Due to the various reasons, the study of logistics theory and application, which exists a rather big gap between china and developed countries and regions, has already been a 'bottle neck' that impedes the e-commerce development of china.

2、The screw cap (14) has an integral nozzle and a tamper proof band (24) connecting it to the bottle neck.

5、Just poke some holes around the bottom of the empty container and bury it in the ground up to the bottle neck.

3、In our country, the unreasonable raw material structure and the lower wood pulp proportion became a bottle neck of paper industrial development in our country.

1、Teddy, I think I have found our bottle neck

4、The conflict of power in comprehensive enforcement of administrative law of city is the bottle neck of its deep going and development in an all-round way.

7、gas bottle necking-in machine