Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/e056543e61b99596e99bd5e7ef9a6958.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 pipe spanner例句_pipe spanner英汉例句_pipe spanner双解例句_欧米惠必应词典
The driving part is superior to that of available pipe bending spanner, and has determined size, high strength and high practicability. 本发明可改善现有的弯管扳手驱动部的套接头 无特定比例的缺点，兼顾结构强度与实用性。 ip.com