The blocking agent preferably de-blocks at a temperature that permits simultaneous or nearly simultaneous de-blocking and curing of the polyurethane film former.
该成膜剂优选在允许该聚氨酯成膜剂同时或几乎同时去封端和固化的温度下去封端。
2
School teachers fresh from a vote to extend a strike joined with other protesters in Rio DE Janeiro, blocking traffic on several main streets before marching on city hall.
里约热内卢学校教师加入游行队伍前往市政厅抗议，导致多条主干道交通堵塞。
3
In rolling strikes this week, scores of licensed taxi drivers jammed the traffic by blocking intermittently the ring-road or périphérique, access to airports and the Place de la Concorde.