防止电梯剪切和坠落的保护装置有护脚板、门、_和门的验证关门装置
参考答案:门锁
在预备航次中,由于航次租船合同免责条款规定的事由发生,致使船舶延迟到达装货港,给承租人造成的损失,船舶出租人可以提出免责的抗辩。()
Everyone hopes that we can do something to make things better, so we can't help ______ under the stress.
A.but working
B.but to work
C.work
D.but work