| |||
| 止回〔防逆，单向〕阀; 检验开关 | |||
| 逆流防止阀 | |||
| 逆流止阀 | |||
| 逆止阀; 单向阀; 止回阀 | |||
| |||
| 喷油泵出油阀 | |||
| 单向活门; 检查活门; 切断阀 | |||
| 回压阀; 回转止回阀 | |||
| 防逆阀; 节制阀 | |||
| 止逆阀 | |||
| 拦河闸 | |||
| ★ 止回阀; 逆止阀; 关闭阀 | |||
| 止回〔防逆，节制，单向〕阀; 检验阀〔开关〕; 止回〔止逆〕阀 | |||
| 单流阀 | |||
| ★ 单向阀 | |||
| 操纵阀; 单向阀〈注塑机〉 | |||
| 检修口 | |||
| 单向［止回］阀; 检验阀 | |||
| 检查阀 | |||
| 不回流阀; 检验开关; 防逆止阀 | |||
|
check-valve : 354 phrases in 30 subjects |
| |||
| 止回〔防逆，单向〕阀; 检验开关 | |||
| 逆流防止阀 | |||
| 逆流止阀 | |||
| 逆止阀; 单向阀; 止回阀 | |||
| |||
| 喷油泵出油阀 | |||
| 单向活门; 检查活门; 切断阀 | |||
| 回压阀; 回转止回阀 | |||
| 防逆阀; 节制阀 | |||
| 止逆阀 | |||
| 拦河闸 | |||
| ★ 止回阀; 逆止阀; 关闭阀 | |||
| 止回〔防逆，节制，单向〕阀; 检验阀〔开关〕; 止回〔止逆〕阀 | |||
| 单流阀 | |||
| ★ 单向阀 | |||
| 操纵阀; 单向阀〈注塑机〉 | |||
| 检修口 | |||
| 单向［止回］阀; 检验阀 | |||
| 检查阀 | |||
| 不回流阀; 检验开关; 防逆止阀 | |||
|
check-valve : 354 phrases in 30 subjects |