To introduce the pressure grade of rubber hose. Steel wires are usually used as reinforcement material in high, even high and super-high pressure hose.

介绍橡胶软管的压力等级，高压、甚高压和超高压软管一般均用钢丝作为增强材料。

youdao

Counter-intuitively, perhaps, rampant grade inflation is adding to the competitive pressure.

也许没想到的是，优秀太多，高分泛滥，无形中也增加了竞争压力。

youdao

Mills start with a hard, strong construction grade wood like Douglas fir, and then preservative chemicals are injected under pressure to limit the effects of insect and rot damage.

米尔斯开始用硬，强固的构造像花旗松级木材，然后防腐剂化学品的压力之下，以限制昆虫和腐烂造成的损害减少注射。

youdao

The real pressure to introduce another grade was from politicians, she suggested, who wanted to defend themselves against accusations of exams getting easier.

BBC: Top head attacks grade change stress

Bank shares are under terrible pressure as Greece has been given a credit rating of CCC, which means no institution limited to investment grade paper can continue to hold it.

FORBES: A Bankrupt Greece Could Be Europe's Lehman Brothers