凸耳式阀门应该有能力在全压力下提供双向“终端应用”，不需要下游蒸汽无口法兰。

Lug style valves shall be capable of providing bidirectional "Dead End Service" at full pressure without the need for down stream blind flange.

youdao

无口钝语可能引领争执，无情之词可能折损生命，适时暖语可能消除压力，而关爱之声可能乱愈心灵。

A careless word may kindle strife; a cruel word may wreck a life; a timely word may level ; a loving word may heal and bless.

youdao

无口的森田小姐」的故事讲述主角女高中生森田真由，这位总是沉默寡言的无口少女的校园及日常生活。

Ms. Morita no mouth, "tells the story of the protagonist female high school students Mayu Morita, who is always silent no mouth girls school and daily life."

youdao

They are talking out of turn, they are throwing paper.

他们口无遮拦，把纸张扔得满天飞。

I get so upset 课堂 - SpeakingMax英语口语达人